21144726

素因数分解:

$2^1\times 3^4\times {\mathrm{130523}}^1$

素因数の和:130537

約数の個数: 20

約数和(自身を含む): 47380212

約数和(自身を除く): 26235486

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 130523, 261046, 391569, 783138, 1174707, 2349414, 3524121, 7048242, 10572363, 21144726]

約数ペア:

[(1, 21144726), (2, 10572363), (3, 7048242), (6, 3524121), (9, 2349414), (18, 1174707), (27, 783138), (54, 391569), (81, 261046), (162, 130523)]