22821890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 29432830

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 809, 910, 1085, 1618, 2015, 2170, 2821, 4030, 4045, 5642, 5663, 8090, 10517, 11326, 14105, 21034, 25079, 28210, 28315, 50158, 52585, 56630, 73619, 105170, 125395, 147238, 175553, 250790, 326027, 351106, 368095, 652054, 736190, 877765, 1630135, 1755530, 2282189, 3260270, 4564378, 11410945, 22821890]

約数ペア:

[(1, 22821890), (2, 11410945), (5, 4564378), (7, 3260270), (10, 2282189), (13, 1755530), (14, 1630135), (26, 877765), (31, 736190), (35, 652054), (62, 368095), (65, 351106), (70, 326027), (91, 250790), (130, 175553), (155, 147238), (182, 125395), (217, 105170), (310, 73619), (403, 56630), (434, 52585), (455, 50158), (806, 28315), (809, 28210), (910, 25079), (1085, 21034), (1618, 14105), (2015, 11326), (2170, 10517), (2821, 8090), (4030, 5663), (4045, 5642)]