21189542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{4243}}^1$

素因数の和:4483

約数の個数: 16

約数和(自身を含む): 34834752

約数和(自身を除く): 13645210

約数列:

[1, 2, 11, 22, 227, 454, 2497, 4243, 4994, 8486, 46673, 93346, 963161, 1926322, 10594771, 21189542]

約数ペア:

[(1, 21189542), (2, 10594771), (11, 1926322), (22, 963161), (227, 93346), (454, 46673), (2497, 8486), (4243, 4994)]