21398050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{809}}^1$

素因数の和:867

約数の個数: 36

約数和(自身を含む): 41657490

約数和(自身を除く): 20259440

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 529, 575, 809, 1058, 1150, 1618, 2645, 4045, 5290, 8090, 13225, 18607, 20225, 26450, 37214, 40450, 93035, 186070, 427961, 465175, 855922, 930350, 2139805, 4279610, 10699025, 21398050]

約数ペア:

[(1, 21398050), (2, 10699025), (5, 4279610), (10, 2139805), (23, 930350), (25, 855922), (46, 465175), (50, 427961), (115, 186070), (230, 93035), (529, 40450), (575, 37214), (809, 26450), (1058, 20225), (1150, 18607), (1618, 13225), (2645, 8090), (4045, 5290)]