21691110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103291}}^1$

素因数の和:103308

約数の個数: 32

約数和(自身を含む): 59496192

約数和(自身を除く): 37805082

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103291, 206582, 309873, 516455, 619746, 723037, 1032910, 1446074, 1549365, 2169111, 3098730, 3615185, 4338222, 7230370, 10845555, 21691110]

約数ペア:

[(1, 21691110), (2, 10845555), (3, 7230370), (5, 4338222), (6, 3615185), (7, 3098730), (10, 2169111), (14, 1549365), (15, 1446074), (21, 1032910), (30, 723037), (35, 619746), (42, 516455), (70, 309873), (105, 206582), (210, 103291)]