210720618

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{508987}}^1$

素因数の和:509018

約数の個数: 24

約数和(自身を含む): 476412768

約数和(自身を除く): 265692150

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 508987, 1017974, 1526961, 3053922, 4580883, 9161766, 11706701, 23413402, 35120103, 70240206, 105360309, 210720618]

約数ペア:

[(1, 210720618), (2, 105360309), (3, 70240206), (6, 35120103), (9, 23413402), (18, 11706701), (23, 9161766), (46, 4580883), (69, 3053922), (138, 1526961), (207, 1017974), (414, 508987)]