21348120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2437}}^1$

素因数の和:2524

約数の個数: 64

約数和(自身を含む): 64948320

約数和(自身を除く): 43600200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2437, 2920, 4380, 4874, 7311, 8760, 9748, 12185, 14622, 19496, 24370, 29244, 36555, 48740, 58488, 73110, 97480, 146220, 177901, 292440, 355802, 533703, 711604, 889505, 1067406, 1423208, 1779010, 2134812, 2668515, 3558020, 4269624, 5337030, 7116040, 10674060, 21348120]

約数ペア:

[(1, 21348120), (2, 10674060), (3, 7116040), (4, 5337030), (5, 4269624), (6, 3558020), (8, 2668515), (10, 2134812), (12, 1779010), (15, 1423208), (20, 1067406), (24, 889505), (30, 711604), (40, 533703), (60, 355802), (73, 292440), (120, 177901), (146, 146220), (219, 97480), (292, 73110), (365, 58488), (438, 48740), (584, 36555), (730, 29244), (876, 24370), (1095, 19496), (1460, 14622), (1752, 12185), (2190, 9748), (2437, 8760), (2920, 7311), (4380, 4874)]