21307532

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1697}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 38700816

約数和(自身を除く): 17393284

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1697, 3139, 3394, 6278, 6788, 12556, 72971, 123881, 145942, 247762, 291884, 495524, 5326883, 10653766, 21307532]

約数ペア:

[(1, 21307532), (2, 10653766), (4, 5326883), (43, 495524), (73, 291884), (86, 247762), (146, 145942), (172, 123881), (292, 72971), (1697, 12556), (3139, 6788), (3394, 6278)]