21637176

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2060

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 38842824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 41, 44, 66, 82, 88, 123, 132, 164, 246, 264, 328, 451, 492, 902, 984, 1353, 1804, 1999, 2706, 3608, 3998, 5412, 5997, 7996, 10824, 11994, 15992, 21989, 23988, 43978, 47976, 65967, 81959, 87956, 131934, 163918, 175912, 245877, 263868, 327836, 491754, 527736, 655672, 901549, 983508, 1803098, 1967016, 2704647, 3606196, 5409294, 7212392, 10818588, 21637176]

約数ペア:

[(1, 21637176), (2, 10818588), (3, 7212392), (4, 5409294), (6, 3606196), (8, 2704647), (11, 1967016), (12, 1803098), (22, 983508), (24, 901549), (33, 655672), (41, 527736), (44, 491754), (66, 327836), (82, 263868), (88, 245877), (123, 175912), (132, 163918), (164, 131934), (246, 87956), (264, 81959), (328, 65967), (451, 47976), (492, 43978), (902, 23988), (984, 21989), (1353, 15992), (1804, 11994), (1999, 10824), (2706, 7996), (3608, 5997), (3998, 5412)]