21237632

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12763}}^1$

素因数の和:12790

約数の個数: 32

約数和(自身を含む): 45567480

約数和(自身を除く): 24329848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12763, 25526, 51052, 102104, 165919, 204208, 331838, 408416, 663676, 816832, 1327352, 1633664, 2654704, 5309408, 10618816, 21237632]

約数ペア:

[(1, 21237632), (2, 10618816), (4, 5309408), (8, 2654704), (13, 1633664), (16, 1327352), (26, 816832), (32, 663676), (52, 408416), (64, 331838), (104, 204208), (128, 165919), (208, 102104), (416, 51052), (832, 25526), (1664, 12763)]