21202910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 40684032

約数和(自身を除く): 19481122

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 382, 653, 955, 1306, 1910, 3247, 3265, 6494, 6530, 11101, 16235, 22202, 32470, 55505, 111010, 124723, 249446, 623615, 1247230, 2120291, 4240582, 10601455, 21202910]

約数ペア:

[(1, 21202910), (2, 10601455), (5, 4240582), (10, 2120291), (17, 1247230), (34, 623615), (85, 249446), (170, 124723), (191, 111010), (382, 55505), (653, 32470), (955, 22202), (1306, 16235), (1910, 11101), (3247, 6530), (3265, 6494)]