21863373

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 12865587

約数列:

[1, 3, 7, 21, 41, 67, 123, 201, 287, 379, 469, 861, 1137, 1407, 2653, 2747, 7959, 8241, 15539, 19229, 25393, 46617, 57687, 76179, 108773, 177751, 326319, 533253, 1041113, 3123339, 7287791, 21863373]

約数ペア:

[(1, 21863373), (3, 7287791), (7, 3123339), (21, 1041113), (41, 533253), (67, 326319), (123, 177751), (201, 108773), (287, 76179), (379, 57687), (469, 46617), (861, 25393), (1137, 19229), (1407, 15539), (2653, 8241), (2747, 7959)]