4021521

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10079}}^1$

素因数の和:10108

約数の個数: 16

約数和(自身を含む): 6451200

約数和(自身を除く): 2429679

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 10079, 30237, 70553, 191501, 211659, 574503, 1340507, 4021521]

約数ペア:

[(1, 4021521), (3, 1340507), (7, 574503), (19, 211659), (21, 191501), (57, 70553), (133, 30237), (399, 10079)]