21752493

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{22039}}^1$

素因数の和:22096

約数の個数: 16

約数和(自身を含む): 33853440

約数和(自身を除く): 12100947

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 22039, 66117, 154273, 462819, 1035833, 3107499, 7250831, 21752493]

約数ペア:

[(1, 21752493), (3, 7250831), (7, 3107499), (21, 1035833), (47, 462819), (141, 154273), (329, 66117), (987, 22039)]