21946140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 240

約数和(自身を含む): 78059520

約数和(自身を除く): 56113380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 27, 30, 31, 36, 38, 45, 46, 54, 57, 60, 62, 69, 76, 81, 90, 92, 93, 95, 108, 114, 115, 124, 135, 138, 155, 162, 171, 180, 186, 190, 207, 228, 230, 270, 276, 279, 285, 310, 324, 342, 345, 372, 380, 405, 414, 437, 460, 465, 513, 540, 558, 570, 589, 620, 621, 684, 690, 713, 810, 828, 837, 855, 874, 930, 1026, 1035, 1116, 1140, 1178, 1242, 1311, 1380, 1395, 1426, 1539, 1620, 1674, 1710, 1748, 1767, 1860, 1863, 2052, 2070, 2139, 2185, 2356, 2484, 2511, 2565, 2622, 2790, 2852, 2945, 3078, 3105, 3348, 3420, 3534, 3565, 3726, 3933, 4140, 4185, 4278, 4370, 5022, 5130, 5244, 5301, 5580, 5890, 6156, 6210, 6417, 6555, 7068, 7130, 7452, 7695, 7866, 8370, 8556, 8740, 8835, 9315, 10044, 10260, 10602, 10695, 11780, 11799, 12420, 12555, 12834, 13110, 13547, 14260, 15390, 15732, 15903, 16740, 17670, 18630, 19251, 19665, 21204, 21390, 23598, 25110, 25668, 26220, 26505, 27094, 30780, 31806, 32085, 35340, 35397, 37260, 38502, 39330, 40641, 42780, 47196, 47709, 50220, 53010, 54188, 57753, 58995, 63612, 64170, 67735, 70794, 77004, 78660, 79515, 81282, 95418, 96255, 106020, 115506, 117990, 121923, 128340, 135470, 141588, 159030, 162564, 176985, 190836, 192510, 203205, 231012, 235980, 238545, 243846, 270940, 288765, 318060, 353970, 365769, 385020, 406410, 477090, 487692, 577530, 609615, 707940, 731538, 812820, 954180, 1097307, 1155060, 1219230, 1463076, 1828845, 2194614, 2438460, 3657690, 4389228, 5486535, 7315380, 10973070, 21946140]

約数ペア:

[(1, 21946140), (2, 10973070), (3, 7315380), (4, 5486535), (5, 4389228), (6, 3657690), (9, 2438460), (10, 2194614), (12, 1828845), (15, 1463076), (18, 1219230), (19, 1155060), (20, 1097307), (23, 954180), (27, 812820), (30, 731538), (31, 707940), (36, 609615), (38, 577530), (45, 487692), (46, 477090), (54, 406410), (57, 385020), (60, 365769), (62, 353970), (69, 318060), (76, 288765), (81, 270940), (90, 243846), (92, 238545), (93, 235980), (95, 231012), (108, 203205), (114, 192510), (115, 190836), (124, 176985), (135, 162564), (138, 159030), (155, 141588), (162, 135470), (171, 128340), (180, 121923), (186, 117990), (190, 115506), (207, 106020), (228, 96255), (230, 95418), (270, 81282), (276, 79515), (279, 78660), (285, 77004), (310, 70794), (324, 67735), (342, 64170), (345, 63612), (372, 58995), (380, 57753), (405, 54188), (414, 53010), (437, 50220), (460, 47709), (465, 47196), (513, 42780), (540, 40641), (558, 39330), (570, 38502), (589, 37260), (620, 35397), (621, 35340), (684, 32085), (690, 31806), (713, 30780), (810, 27094), (828, 26505), (837, 26220), (855, 25668), (874, 25110), (930, 23598), (1026, 21390), (1035, 21204), (1116, 19665), (1140, 19251), (1178, 18630), (1242, 17670), (1311, 16740), (1380, 15903), (1395, 15732), (1426, 15390), (1539, 14260), (1620, 13547), (1674, 13110), (1710, 12834), (1748, 12555), (1767, 12420), (1860, 11799), (1863, 11780), (2052, 10695), (2070, 10602), (2139, 10260), (2185, 10044), (2356, 9315), (2484, 8835), (2511, 8740), (2565, 8556), (2622, 8370), (2790, 7866), (2852, 7695), (2945, 7452), (3078, 7130), (3105, 7068), (3348, 6555), (3420, 6417), (3534, 6210), (3565, 6156), (3726, 5890), (3933, 5580), (4140, 5301), (4185, 5244), (4278, 5130), (4370, 5022)]