21427696

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43201}}^1$

素因数の和:43240

約数の個数: 20

約数和(自身を含む): 42856384

約数和(自身を除く): 21428688

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43201, 86402, 172804, 345608, 691216, 1339231, 2678462, 5356924, 10713848, 21427696]

約数ペア:

[(1, 21427696), (2, 10713848), (4, 5356924), (8, 2678462), (16, 1339231), (31, 691216), (62, 345608), (124, 172804), (248, 86402), (496, 43201)]