21664584

素因数分解:

$2^3\times 3^4\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 61710000

約数和(自身を除く): 40045416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 81, 108, 134, 162, 201, 216, 268, 324, 402, 499, 536, 603, 648, 804, 998, 1206, 1497, 1608, 1809, 1996, 2412, 2994, 3618, 3992, 4491, 4824, 5427, 5988, 7236, 8982, 10854, 11976, 13473, 14472, 17964, 21708, 26946, 33433, 35928, 40419, 43416, 53892, 66866, 80838, 100299, 107784, 133732, 161676, 200598, 267464, 300897, 323352, 401196, 601794, 802392, 902691, 1203588, 1805382, 2407176, 2708073, 3610764, 5416146, 7221528, 10832292, 21664584]

約数ペア:

[(1, 21664584), (2, 10832292), (3, 7221528), (4, 5416146), (6, 3610764), (8, 2708073), (9, 2407176), (12, 1805382), (18, 1203588), (24, 902691), (27, 802392), (36, 601794), (54, 401196), (67, 323352), (72, 300897), (81, 267464), (108, 200598), (134, 161676), (162, 133732), (201, 107784), (216, 100299), (268, 80838), (324, 66866), (402, 53892), (499, 43416), (536, 40419), (603, 35928), (648, 33433), (804, 26946), (998, 21708), (1206, 17964), (1497, 14472), (1608, 13473), (1809, 11976), (1996, 10854), (2412, 8982), (2994, 7236), (3618, 5988), (3992, 5427), (4491, 4824)]