21647106

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1271

約数の個数: 48

約数和(自身を含む): 51192960

約数和(自身を除く): 29545854

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 117, 158, 234, 237, 474, 711, 1027, 1171, 1422, 2054, 2342, 3081, 3513, 6162, 7026, 9243, 10539, 15223, 18486, 21078, 30446, 45669, 91338, 92509, 137007, 185018, 274014, 277527, 555054, 832581, 1202617, 1665162, 2405234, 3607851, 7215702, 10823553, 21647106]

約数ペア:

[(1, 21647106), (2, 10823553), (3, 7215702), (6, 3607851), (9, 2405234), (13, 1665162), (18, 1202617), (26, 832581), (39, 555054), (78, 277527), (79, 274014), (117, 185018), (158, 137007), (234, 92509), (237, 91338), (474, 45669), (711, 30446), (1027, 21078), (1171, 18486), (1422, 15223), (2054, 10539), (2342, 9243), (3081, 7026), (3513, 6162)]