21235264

素因数分解:

$2^6\times {\mathrm{331801}}^1$

素因数の和:331813

約数の個数: 14

約数和(自身を含む): 42138854

約数和(自身を除く): 20903590

約数列:

[1, 2, 4, 8, 16, 32, 64, 331801, 663602, 1327204, 2654408, 5308816, 10617632, 21235264]

約数ペア:

[(1, 21235264), (2, 10617632), (4, 5308816), (8, 2654408), (16, 1327204), (32, 663602), (64, 331801)]