21074534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 36835680

約数和(自身を除く): 15761146

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 247, 481, 494, 703, 962, 1153, 1406, 2306, 9139, 14989, 18278, 21907, 29978, 42661, 43814, 85322, 284791, 554593, 569582, 810559, 1109186, 1621118, 10537267, 21074534]

約数ペア:

[(1, 21074534), (2, 10537267), (13, 1621118), (19, 1109186), (26, 810559), (37, 569582), (38, 554593), (74, 284791), (247, 85322), (481, 43814), (494, 42661), (703, 29978), (962, 21907), (1153, 18278), (1406, 14989), (2306, 9139)]