21716880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2207}}^1$

素因数の和:2264

約数の個数: 80

約数和(自身を含む): 68995584

約数和(自身を除く): 47278704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2207, 2460, 3280, 4414, 4920, 6621, 8828, 9840, 11035, 13242, 17656, 22070, 26484, 33105, 35312, 44140, 52968, 66210, 88280, 90487, 105936, 132420, 176560, 180974, 264840, 271461, 361948, 452435, 529680, 542922, 723896, 904870, 1085844, 1357305, 1447792, 1809740, 2171688, 2714610, 3619480, 4343376, 5429220, 7238960, 10858440, 21716880]

約数ペア:

[(1, 21716880), (2, 10858440), (3, 7238960), (4, 5429220), (5, 4343376), (6, 3619480), (8, 2714610), (10, 2171688), (12, 1809740), (15, 1447792), (16, 1357305), (20, 1085844), (24, 904870), (30, 723896), (40, 542922), (41, 529680), (48, 452435), (60, 361948), (80, 271461), (82, 264840), (120, 180974), (123, 176560), (164, 132420), (205, 105936), (240, 90487), (246, 88280), (328, 66210), (410, 52968), (492, 44140), (615, 35312), (656, 33105), (820, 26484), (984, 22070), (1230, 17656), (1640, 13242), (1968, 11035), (2207, 9840), (2460, 8828), (3280, 6621), (4414, 4920)]