21046408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154753}}^1$

素因数の和:154776

約数の個数: 16

約数和(自身を含む): 41783580

約数和(自身を除く): 20737172

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154753, 309506, 619012, 1238024, 2630801, 5261602, 10523204, 21046408]

約数ペア:

[(1, 21046408), (2, 10523204), (4, 5261602), (8, 2630801), (17, 1238024), (34, 619012), (68, 309506), (136, 154753)]