21524700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 62811952

約数和(自身を除く): 41287252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 157, 300, 314, 457, 471, 628, 785, 914, 942, 1371, 1570, 1828, 1884, 2285, 2355, 2742, 3140, 3925, 4570, 4710, 5484, 6855, 7850, 9140, 9420, 11425, 11775, 13710, 15700, 22850, 23550, 27420, 34275, 45700, 47100, 68550, 71749, 137100, 143498, 215247, 286996, 358745, 430494, 717490, 860988, 1076235, 1434980, 1793725, 2152470, 3587450, 4304940, 5381175, 7174900, 10762350, 21524700]

約数ペア:

[(1, 21524700), (2, 10762350), (3, 7174900), (4, 5381175), (5, 4304940), (6, 3587450), (10, 2152470), (12, 1793725), (15, 1434980), (20, 1076235), (25, 860988), (30, 717490), (50, 430494), (60, 358745), (75, 286996), (100, 215247), (150, 143498), (157, 137100), (300, 71749), (314, 68550), (457, 47100), (471, 45700), (628, 34275), (785, 27420), (914, 23550), (942, 22850), (1371, 15700), (1570, 13710), (1828, 11775), (1884, 11425), (2285, 9420), (2355, 9140), (2742, 7850), (3140, 6855), (3925, 5484), (4570, 4710)]