21190055030

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1\times {\mathrm{569}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 39496403520

約数和(自身を除く): 18306348490

約数列:

[1, 2, 5, 10, 37, 74, 185, 251, 370, 401, 502, 569, 802, 1138, 1255, 2005, 2510, 2845, 4010, 5690, 9287, 14837, 18574, 21053, 29674, 42106, 46435, 74185, 92870, 100651, 105265, 142819, 148370, 201302, 210530, 228169, 285638, 456338, 503255, 714095, 1006510, 1140845, 1428190, 2281690, 3724087, 5284303, 7448174, 8442253, 10568606, 16884506, 18620435, 26421515, 37240870, 42211265, 52843030, 57270419, 84422530, 114540838, 286352095, 572704190, 2119005503, 4238011006, 10595027515, 21190055030]

約数ペア:

[(1, 21190055030), (2, 10595027515), (5, 4238011006), (10, 2119005503), (37, 572704190), (74, 286352095), (185, 114540838), (251, 84422530), (370, 57270419), (401, 52843030), (502, 42211265), (569, 37240870), (802, 26421515), (1138, 18620435), (1255, 16884506), (2005, 10568606), (2510, 8442253), (2845, 7448174), (4010, 5284303), (5690, 3724087), (9287, 2281690), (14837, 1428190), (18574, 1140845), (21053, 1006510), (29674, 714095), (42106, 503255), (46435, 456338), (74185, 285638), (92870, 228169), (100651, 210530), (105265, 201302), (142819, 148370)]