21000507214

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1\times {\mathrm{167953}}^1$

素因数の和:168675

約数の個数: 16

約数和(自身を含む): 31864232880

約数和(自身を除く): 10863725666

約数列:

[1, 2, 101, 202, 619, 1238, 62519, 125038, 167953, 335906, 16963253, 33926506, 103962907, 207925814, 10500253607, 21000507214]

約数ペア:

[(1, 21000507214), (2, 10500253607), (101, 207925814), (202, 103962907), (619, 33926506), (1238, 16963253), (62519, 335906), (125038, 167953)]