21967344

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 240

約数和(自身を含む): 78407680

約数和(自身を除く): 56440336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 31, 36, 37, 38, 42, 48, 56, 57, 62, 63, 72, 74, 76, 84, 93, 111, 112, 114, 124, 126, 133, 144, 148, 152, 168, 171, 186, 217, 222, 228, 248, 252, 259, 266, 279, 296, 304, 333, 336, 342, 372, 399, 434, 444, 456, 496, 504, 518, 532, 558, 589, 592, 651, 666, 684, 703, 744, 777, 798, 868, 888, 912, 1008, 1036, 1064, 1116, 1147, 1178, 1197, 1302, 1332, 1368, 1406, 1488, 1554, 1596, 1736, 1767, 1776, 1953, 2072, 2109, 2128, 2232, 2294, 2331, 2356, 2394, 2604, 2664, 2736, 2812, 3108, 3192, 3441, 3472, 3534, 3906, 4123, 4144, 4218, 4464, 4588, 4662, 4712, 4788, 4921, 5208, 5301, 5328, 5624, 6216, 6327, 6384, 6882, 7068, 7812, 8029, 8246, 8436, 9176, 9324, 9424, 9576, 9842, 10323, 10416, 10602, 11248, 12369, 12432, 12654, 13764, 14136, 14763, 15624, 16058, 16492, 16872, 18352, 18648, 19152, 19684, 20646, 21204, 21793, 24087, 24738, 25308, 27528, 28272, 29526, 31248, 32116, 32984, 33744, 37107, 37296, 39368, 41292, 42408, 43586, 44289, 48174, 49476, 50616, 55056, 59052, 64232, 65379, 65968, 72261, 74214, 78736, 82584, 84816, 87172, 88578, 96348, 98952, 101232, 118104, 128464, 130758, 144522, 148428, 152551, 165168, 174344, 177156, 192696, 196137, 197904, 236208, 261516, 289044, 296856, 305102, 348688, 354312, 385392, 392274, 457653, 523032, 578088, 593712, 610204, 708624, 784548, 915306, 1046064, 1156176, 1220408, 1372959, 1569096, 1830612, 2440816, 2745918, 3138192, 3661224, 5491836, 7322448, 10983672, 21967344]

約数ペア:

[(1, 21967344), (2, 10983672), (3, 7322448), (4, 5491836), (6, 3661224), (7, 3138192), (8, 2745918), (9, 2440816), (12, 1830612), (14, 1569096), (16, 1372959), (18, 1220408), (19, 1156176), (21, 1046064), (24, 915306), (28, 784548), (31, 708624), (36, 610204), (37, 593712), (38, 578088), (42, 523032), (48, 457653), (56, 392274), (57, 385392), (62, 354312), (63, 348688), (72, 305102), (74, 296856), (76, 289044), (84, 261516), (93, 236208), (111, 197904), (112, 196137), (114, 192696), (124, 177156), (126, 174344), (133, 165168), (144, 152551), (148, 148428), (152, 144522), (168, 130758), (171, 128464), (186, 118104), (217, 101232), (222, 98952), (228, 96348), (248, 88578), (252, 87172), (259, 84816), (266, 82584), (279, 78736), (296, 74214), (304, 72261), (333, 65968), (336, 65379), (342, 64232), (372, 59052), (399, 55056), (434, 50616), (444, 49476), (456, 48174), (496, 44289), (504, 43586), (518, 42408), (532, 41292), (558, 39368), (589, 37296), (592, 37107), (651, 33744), (666, 32984), (684, 32116), (703, 31248), (744, 29526), (777, 28272), (798, 27528), (868, 25308), (888, 24738), (912, 24087), (1008, 21793), (1036, 21204), (1064, 20646), (1116, 19684), (1147, 19152), (1178, 18648), (1197, 18352), (1302, 16872), (1332, 16492), (1368, 16058), (1406, 15624), (1488, 14763), (1554, 14136), (1596, 13764), (1736, 12654), (1767, 12432), (1776, 12369), (1953, 11248), (2072, 10602), (2109, 10416), (2128, 10323), (2232, 9842), (2294, 9576), (2331, 9424), (2356, 9324), (2394, 9176), (2604, 8436), (2664, 8246), (2736, 8029), (2812, 7812), (3108, 7068), (3192, 6882), (3441, 6384), (3472, 6327), (3534, 6216), (3906, 5624), (4123, 5328), (4144, 5301), (4218, 5208), (4464, 4921), (4588, 4788), (4662, 4712)]