21699804550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{60521}}^1$

素因数の和:60705

約数の個数: 48

約数和(自身を含む): 41336041824

約数和(自身を除く): 19636237274

約数列:

[1, 2, 5, 10, 25, 50, 71, 101, 142, 202, 355, 505, 710, 1010, 1775, 2525, 3550, 5050, 7171, 14342, 35855, 60521, 71710, 121042, 179275, 302605, 358550, 605210, 1513025, 3026050, 4296991, 6112621, 8593982, 12225242, 21484955, 30563105, 42969910, 61126210, 107424775, 152815525, 214849550, 305631050, 433996091, 867992182, 2169980455, 4339960910, 10849902275, 21699804550]

約数ペア:

[(1, 21699804550), (2, 10849902275), (5, 4339960910), (10, 2169980455), (25, 867992182), (50, 433996091), (71, 305631050), (101, 214849550), (142, 152815525), (202, 107424775), (355, 61126210), (505, 42969910), (710, 30563105), (1010, 21484955), (1775, 12225242), (2525, 8593982), (3550, 6112621), (5050, 4296991), (7171, 3026050), (14342, 1513025), (35855, 605210), (60521, 358550), (71710, 302605), (121042, 179275)]