21328502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{22171}}^1$

素因数の和:22223

約数の個数: 16

約数和(自身を含む): 35386512

約数和(自身を除く): 14058010

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 22171, 44342, 288223, 576446, 820327, 1640654, 10664251, 21328502]

約数ペア:

[(1, 21328502), (2, 10664251), (13, 1640654), (26, 820327), (37, 576446), (74, 288223), (481, 44342), (962, 22171)]