21625538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 37559808

約数和(自身を除く): 15934270

約数列:

[1, 2, 11, 22, 31, 37, 62, 74, 341, 407, 682, 814, 857, 1147, 1714, 2294, 9427, 12617, 18854, 25234, 26567, 31709, 53134, 63418, 292237, 348799, 584474, 697598, 982979, 1965958, 10812769, 21625538]

約数ペア:

[(1, 21625538), (2, 10812769), (11, 1965958), (22, 982979), (31, 697598), (37, 584474), (62, 348799), (74, 292237), (341, 63418), (407, 53134), (682, 31709), (814, 26567), (857, 25234), (1147, 18854), (1714, 12617), (2294, 9427)]