21134740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5651}}^1$

素因数の和:5688

約数の個数: 48

約数和(自身を含む): 51274944

約数和(自身を除く): 30140204

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5651, 11302, 22604, 28255, 56510, 62161, 96067, 113020, 124322, 192134, 248644, 310805, 384268, 480335, 621610, 960670, 1056737, 1243220, 1921340, 2113474, 4226948, 5283685, 10567370, 21134740]

約数ペア:

[(1, 21134740), (2, 10567370), (4, 5283685), (5, 4226948), (10, 2113474), (11, 1921340), (17, 1243220), (20, 1056737), (22, 960670), (34, 621610), (44, 480335), (55, 384268), (68, 310805), (85, 248644), (110, 192134), (170, 124322), (187, 113020), (220, 96067), (340, 62161), (374, 56510), (748, 28255), (935, 22604), (1870, 11302), (3740, 5651)]