21822450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 63495936

約数和(自身を除く): 41673486

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 31, 38, 39, 50, 57, 62, 65, 75, 78, 93, 95, 114, 130, 150, 155, 186, 190, 195, 247, 285, 310, 325, 361, 390, 403, 465, 475, 494, 570, 589, 650, 722, 741, 775, 806, 930, 950, 975, 1083, 1178, 1209, 1235, 1425, 1482, 1550, 1767, 1805, 1950, 2015, 2166, 2325, 2418, 2470, 2850, 2945, 3534, 3610, 3705, 4030, 4650, 4693, 5415, 5890, 6045, 6175, 7410, 7657, 8835, 9025, 9386, 10075, 10830, 11191, 12090, 12350, 14079, 14725, 15314, 17670, 18050, 18525, 20150, 22382, 22971, 23465, 27075, 28158, 29450, 30225, 33573, 37050, 38285, 44175, 45942, 46930, 54150, 55955, 60450, 67146, 70395, 76570, 88350, 111910, 114855, 117325, 140790, 145483, 167865, 191425, 229710, 234650, 279775, 290966, 335730, 351975, 382850, 436449, 559550, 574275, 703950, 727415, 839325, 872898, 1148550, 1454830, 1678650, 2182245, 3637075, 4364490, 7274150, 10911225, 21822450]

約数ペア:

[(1, 21822450), (2, 10911225), (3, 7274150), (5, 4364490), (6, 3637075), (10, 2182245), (13, 1678650), (15, 1454830), (19, 1148550), (25, 872898), (26, 839325), (30, 727415), (31, 703950), (38, 574275), (39, 559550), (50, 436449), (57, 382850), (62, 351975), (65, 335730), (75, 290966), (78, 279775), (93, 234650), (95, 229710), (114, 191425), (130, 167865), (150, 145483), (155, 140790), (186, 117325), (190, 114855), (195, 111910), (247, 88350), (285, 76570), (310, 70395), (325, 67146), (361, 60450), (390, 55955), (403, 54150), (465, 46930), (475, 45942), (494, 44175), (570, 38285), (589, 37050), (650, 33573), (722, 30225), (741, 29450), (775, 28158), (806, 27075), (930, 23465), (950, 22971), (975, 22382), (1083, 20150), (1178, 18525), (1209, 18050), (1235, 17670), (1425, 15314), (1482, 14725), (1550, 14079), (1767, 12350), (1805, 12090), (1950, 11191), (2015, 10830), (2166, 10075), (2325, 9386), (2418, 9025), (2470, 8835), (2850, 7657), (2945, 7410), (3534, 6175), (3610, 6045), (3705, 5890), (4030, 5415), (4650, 4693)]