21945327625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{3469}}^1$

素因数の和:3743

約数の個数: 64

約数和(自身を含む): 31374907200

約数和(自身を除く): 9429579575

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 229, 325, 425, 1105, 1145, 1625, 2125, 2977, 3469, 3893, 5525, 5725, 14885, 17345, 19465, 27625, 28625, 45097, 50609, 58973, 74425, 86725, 97325, 225485, 253045, 294865, 372125, 433625, 486625, 766649, 794401, 1127425, 1265225, 1474325, 3833245, 3972005, 5637125, 6326125, 7371625, 10327213, 13504817, 19166225, 19860025, 51636065, 67524085, 95831125, 99300125, 175562621, 258180325, 337620425, 877813105, 1290901625, 1688102125, 4389065525, 21945327625]

約数ペア:

[(1, 21945327625), (5, 4389065525), (13, 1688102125), (17, 1290901625), (25, 877813105), (65, 337620425), (85, 258180325), (125, 175562621), (221, 99300125), (229, 95831125), (325, 67524085), (425, 51636065), (1105, 19860025), (1145, 19166225), (1625, 13504817), (2125, 10327213), (2977, 7371625), (3469, 6326125), (3893, 5637125), (5525, 3972005), (5725, 3833245), (14885, 1474325), (17345, 1265225), (19465, 1127425), (27625, 794401), (28625, 766649), (45097, 486625), (50609, 433625), (58973, 372125), (74425, 294865), (86725, 253045), (97325, 225485)]