21297816

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{1429}}^1$

素因数の和:1470

約数の個数: 80

約数和(自身を含む): 62290800

約数和(自身を除く): 40992984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 276, 324, 414, 552, 621, 648, 828, 1242, 1429, 1656, 1863, 2484, 2858, 3726, 4287, 4968, 5716, 7452, 8574, 11432, 12861, 14904, 17148, 25722, 32867, 34296, 38583, 51444, 65734, 77166, 98601, 102888, 115749, 131468, 154332, 197202, 231498, 262936, 295803, 308664, 394404, 462996, 591606, 788808, 887409, 925992, 1183212, 1774818, 2366424, 2662227, 3549636, 5324454, 7099272, 10648908, 21297816]

約数ペア:

[(1, 21297816), (2, 10648908), (3, 7099272), (4, 5324454), (6, 3549636), (8, 2662227), (9, 2366424), (12, 1774818), (18, 1183212), (23, 925992), (24, 887409), (27, 788808), (36, 591606), (46, 462996), (54, 394404), (69, 308664), (72, 295803), (81, 262936), (92, 231498), (108, 197202), (138, 154332), (162, 131468), (184, 115749), (207, 102888), (216, 98601), (276, 77166), (324, 65734), (414, 51444), (552, 38583), (621, 34296), (648, 32867), (828, 25722), (1242, 17148), (1429, 14904), (1656, 12861), (1863, 11432), (2484, 8574), (2858, 7452), (3726, 5716), (4287, 4968)]