21308350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2689

約数の個数: 48

約数和(自身を含む): 47282688

約数和(自身を除く): 25974338

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2647, 4025, 5294, 8050, 13235, 18529, 26470, 37058, 60881, 66175, 92645, 121762, 132350, 185290, 304405, 426167, 463225, 608810, 852334, 926450, 1522025, 2130835, 3044050, 4261670, 10654175, 21308350]

約数ペア:

[(1, 21308350), (2, 10654175), (5, 4261670), (7, 3044050), (10, 2130835), (14, 1522025), (23, 926450), (25, 852334), (35, 608810), (46, 463225), (50, 426167), (70, 304405), (115, 185290), (161, 132350), (175, 121762), (230, 92645), (322, 66175), (350, 60881), (575, 37058), (805, 26470), (1150, 18529), (1610, 13235), (2647, 8050), (4025, 5294)]