21366228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136963}}^1$

素因数の和:136983

約数の個数: 24

約数和(自身を含む): 53689888

約数和(自身を除く): 32323660

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136963, 273926, 410889, 547852, 821778, 1643556, 1780519, 3561038, 5341557, 7122076, 10683114, 21366228]

約数ペア:

[(1, 21366228), (2, 10683114), (3, 7122076), (4, 5341557), (6, 3561038), (12, 1780519), (13, 1643556), (26, 821778), (39, 547852), (52, 410889), (78, 273926), (156, 136963)]