21626210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5531}}^1$

素因数の和:5578

約数の個数: 32

約数和(自身を含む): 43016832

約数和(自身を除く): 21390622

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5531, 11062, 27655, 55310, 94027, 127213, 188054, 254426, 470135, 636065, 940270, 1272130, 2162621, 4325242, 10813105, 21626210]

約数ペア:

[(1, 21626210), (2, 10813105), (5, 4325242), (10, 2162621), (17, 1272130), (23, 940270), (34, 636065), (46, 470135), (85, 254426), (115, 188054), (170, 127213), (230, 94027), (391, 55310), (782, 27655), (1955, 11062), (3910, 5531)]