21199144436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{60943}}^1$

素因数の和:61188

約数の個数: 48

約数和(自身を含む): 40954368000

約数和(自身を除く): 19755223564

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 199, 398, 437, 796, 874, 1748, 3781, 4577, 7562, 9154, 15124, 18308, 60943, 86963, 121886, 173926, 243772, 347852, 1157917, 1401689, 2315834, 2803378, 4631668, 5606756, 12127657, 24255314, 26632091, 48510628, 53264182, 106528364, 230425483, 278936111, 460850966, 557872222, 921701932, 1115744444, 5299786109, 10599572218, 21199144436]

約数ペア:

[(1, 21199144436), (2, 10599572218), (4, 5299786109), (19, 1115744444), (23, 921701932), (38, 557872222), (46, 460850966), (76, 278936111), (92, 230425483), (199, 106528364), (398, 53264182), (437, 48510628), (796, 26632091), (874, 24255314), (1748, 12127657), (3781, 5606756), (4577, 4631668), (7562, 2803378), (9154, 2315834), (15124, 1401689), (18308, 1157917), (60943, 347852), (86963, 243772), (121886, 173926)]