21236130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10259}}^1$

素因数の和:10295

約数の個数: 48

約数和(自身を含む): 57620160

約数和(自身を除く): 36384030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10259, 20518, 30777, 51295, 61554, 92331, 102590, 153885, 184662, 235957, 307770, 461655, 471914, 707871, 923310, 1179785, 1415742, 2123613, 2359570, 3539355, 4247226, 7078710, 10618065, 21236130]

約数ペア:

[(1, 21236130), (2, 10618065), (3, 7078710), (5, 4247226), (6, 3539355), (9, 2359570), (10, 2123613), (15, 1415742), (18, 1179785), (23, 923310), (30, 707871), (45, 471914), (46, 461655), (69, 307770), (90, 235957), (115, 184662), (138, 153885), (207, 102590), (230, 92331), (345, 61554), (414, 51295), (690, 30777), (1035, 20518), (2070, 10259)]