21911340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33199}}^1$

素因数の和:33222

約数の個数: 48

約数和(自身を含む): 66931200

約数和(自身を除く): 45019860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 33199, 66398, 99597, 132796, 165995, 199194, 331990, 365189, 398388, 497985, 663980, 730378, 995970, 1095567, 1460756, 1825945, 1991940, 2191134, 3651890, 4382268, 5477835, 7303780, 10955670, 21911340]

約数ペア:

[(1, 21911340), (2, 10955670), (3, 7303780), (4, 5477835), (5, 4382268), (6, 3651890), (10, 2191134), (11, 1991940), (12, 1825945), (15, 1460756), (20, 1095567), (22, 995970), (30, 730378), (33, 663980), (44, 497985), (55, 398388), (60, 365189), (66, 331990), (110, 199194), (132, 165995), (165, 132796), (220, 99597), (330, 66398), (660, 33199)]