21865252

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 39218816

約数和(自身を除く): 17353564

約数列:

[1, 2, 4, 73, 103, 146, 206, 292, 412, 727, 1454, 2908, 7519, 15038, 30076, 53071, 74881, 106142, 149762, 212284, 299524, 5466313, 10932626, 21865252]

約数ペア:

[(1, 21865252), (2, 10932626), (4, 5466313), (73, 299524), (103, 212284), (146, 149762), (206, 106142), (292, 74881), (412, 53071), (727, 30076), (1454, 15038), (2908, 7519)]