21364126

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 16971554

約数列:

[1, 2, 7, 14, 29, 58, 101, 202, 203, 406, 521, 707, 1042, 1414, 2929, 3647, 5858, 7294, 15109, 20503, 30218, 41006, 52621, 105242, 105763, 211526, 368347, 736694, 1526009, 3052018, 10682063, 21364126]

約数ペア:

[(1, 21364126), (2, 10682063), (7, 3052018), (14, 1526009), (29, 736694), (58, 368347), (101, 211526), (202, 105763), (203, 105242), (406, 52621), (521, 41006), (707, 30218), (1042, 20503), (1414, 15109), (2929, 7294), (3647, 5858)]