21409182

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51713}}^1$

素因数の和:51744

約数の個数: 24

約数和(自身を含む): 48404304

約数和(自身を除く): 26995122

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51713, 103426, 155139, 310278, 465417, 930834, 1189399, 2378798, 3568197, 7136394, 10704591, 21409182]

約数ペア:

[(1, 21409182), (2, 10704591), (3, 7136394), (6, 3568197), (9, 2378798), (18, 1189399), (23, 930834), (46, 465417), (69, 310278), (138, 155139), (207, 103426), (414, 51713)]