21995700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 64183392

約数和(自身を除く): 42187692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 157, 300, 314, 467, 471, 628, 785, 934, 942, 1401, 1570, 1868, 1884, 2335, 2355, 2802, 3140, 3925, 4670, 4710, 5604, 7005, 7850, 9340, 9420, 11675, 11775, 14010, 15700, 23350, 23550, 28020, 35025, 46700, 47100, 70050, 73319, 140100, 146638, 219957, 293276, 366595, 439914, 733190, 879828, 1099785, 1466380, 1832975, 2199570, 3665950, 4399140, 5498925, 7331900, 10997850, 21995700]

約数ペア:

[(1, 21995700), (2, 10997850), (3, 7331900), (4, 5498925), (5, 4399140), (6, 3665950), (10, 2199570), (12, 1832975), (15, 1466380), (20, 1099785), (25, 879828), (30, 733190), (50, 439914), (60, 366595), (75, 293276), (100, 219957), (150, 146638), (157, 140100), (300, 73319), (314, 70050), (467, 47100), (471, 46700), (628, 35025), (785, 28020), (934, 23550), (942, 23350), (1401, 15700), (1570, 14010), (1868, 11775), (1884, 11675), (2335, 9420), (2355, 9340), (2802, 7850), (3140, 7005), (3925, 5604), (4670, 4710)]