21502702

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5477}}^1$

素因数の和:5643

約数の個数: 16

約数和(自身を含む): 34971552

約数和(自身を除く): 13468850

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5477, 10954, 71201, 142402, 827027, 1654054, 10751351, 21502702]

約数ペア:

[(1, 21502702), (2, 10751351), (13, 1654054), (26, 827027), (151, 142402), (302, 71201), (1963, 10954), (3926, 5477)]