221694690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1055689}}^1$

素因数の和:1055706

約数の個数: 32

約数和(自身を含む): 608077440

約数和(自身を除く): 386382750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1055689, 2111378, 3167067, 5278445, 6334134, 7389823, 10556890, 14779646, 15835335, 22169469, 31670670, 36949115, 44338938, 73898230, 110847345, 221694690]

約数ペア:

[(1, 221694690), (2, 110847345), (3, 73898230), (5, 44338938), (6, 36949115), (7, 31670670), (10, 22169469), (14, 15835335), (15, 14779646), (21, 10556890), (30, 7389823), (35, 6334134), (42, 5278445), (70, 3167067), (105, 2111378), (210, 1055689)]