21248056

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{11113}}^1$

素因数の和:11358

約数の個数: 16

約数和(自身を含む): 40010400

約数和(自身を除く): 18762344

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 11113, 22226, 44452, 88904, 2656007, 5312014, 10624028, 21248056]

約数ペア:

[(1, 21248056), (2, 10624028), (4, 5312014), (8, 2656007), (239, 88904), (478, 44452), (956, 22226), (1912, 11113)]