21922020790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35937739}}^1$

素因数の和:35937807

約数の個数: 16

約数和(自身を含む): 40106517840

約数和(自身を除く): 18184497050

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 35937739, 71875478, 179688695, 359377390, 2192202079, 4384404158, 10961010395, 21922020790]

約数ペア:

[(1, 21922020790), (2, 10961010395), (5, 4384404158), (10, 2192202079), (61, 359377390), (122, 179688695), (305, 71875478), (610, 35937739)]