21915090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3529}}^1$

素因数の和:3568

約数の個数: 64

約数和(自身を含む): 60998400

約数和(自身を除く): 39083310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 3529, 6210, 7058, 10587, 17645, 21174, 31761, 35290, 52935, 63522, 81167, 95283, 105870, 158805, 162334, 190566, 243501, 317610, 405835, 476415, 487002, 730503, 811670, 952830, 1217505, 1461006, 2191509, 2435010, 3652515, 4383018, 7305030, 10957545, 21915090]

約数ペア:

[(1, 21915090), (2, 10957545), (3, 7305030), (5, 4383018), (6, 3652515), (9, 2435010), (10, 2191509), (15, 1461006), (18, 1217505), (23, 952830), (27, 811670), (30, 730503), (45, 487002), (46, 476415), (54, 405835), (69, 317610), (90, 243501), (115, 190566), (135, 162334), (138, 158805), (207, 105870), (230, 95283), (270, 81167), (345, 63522), (414, 52935), (621, 35290), (690, 31761), (1035, 21174), (1242, 17645), (2070, 10587), (3105, 7058), (3529, 6210)]