21619860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1867}}^1$

素因数の和:2072

約数の個数: 48

約数和(自身を含む): 60881856

約数和(自身を除く): 39261996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 772, 965, 1158, 1867, 1930, 2316, 2895, 3734, 3860, 5601, 5790, 7468, 9335, 11202, 11580, 18670, 22404, 28005, 37340, 56010, 112020, 360331, 720662, 1080993, 1441324, 1801655, 2161986, 3603310, 4323972, 5404965, 7206620, 10809930, 21619860]

約数ペア:

[(1, 21619860), (2, 10809930), (3, 7206620), (4, 5404965), (5, 4323972), (6, 3603310), (10, 2161986), (12, 1801655), (15, 1441324), (20, 1080993), (30, 720662), (60, 360331), (193, 112020), (386, 56010), (579, 37340), (772, 28005), (965, 22404), (1158, 18670), (1867, 11580), (1930, 11202), (2316, 9335), (2895, 7468), (3734, 5790), (3860, 5601)]