21000724491

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4438961}}^1$

素因数の和:4439066

約数の個数: 16

約数和(自身を含む): 29829824640

約数和(自身を除く): 8829100149

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4731, 4438961, 13316883, 84340259, 253020777, 368433763, 1105301289, 7000241497, 21000724491]

約数ペア:

[(1, 21000724491), (3, 7000241497), (19, 1105301289), (57, 368433763), (83, 253020777), (249, 84340259), (1577, 13316883), (4731, 4438961)]