21286415358

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3469}}^1\times {\mathrm{8741}}^1$

素因数の和:12234

約数の個数: 64

約数和(自身を含む): 50962363200

約数和(自身を除く): 29675947842

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 3469, 6938, 8741, 10407, 17482, 20814, 26223, 31221, 45097, 52446, 62442, 78669, 90194, 93663, 113633, 135291, 157338, 187326, 227266, 236007, 270582, 340899, 405873, 472014, 681798, 811746, 1022697, 1217619, 2045394, 2435238, 3068091, 6136182, 30322529, 60645058, 90967587, 181935174, 272902761, 394192877, 545805522, 788385754, 818708283, 1182578631, 1637416566, 2365157262, 3547735893, 7095471786, 10643207679, 21286415358]

約数ペア:

[(1, 21286415358), (2, 10643207679), (3, 7095471786), (6, 3547735893), (9, 2365157262), (13, 1637416566), (18, 1182578631), (26, 818708283), (27, 788385754), (39, 545805522), (54, 394192877), (78, 272902761), (117, 181935174), (234, 90967587), (351, 60645058), (702, 30322529), (3469, 6136182), (6938, 3068091), (8741, 2435238), (10407, 2045394), (17482, 1217619), (20814, 1022697), (26223, 811746), (31221, 681798), (45097, 472014), (52446, 405873), (62442, 340899), (78669, 270582), (90194, 236007), (93663, 227266), (113633, 187326), (135291, 157338)]