21755460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4967}}^1$

素因数の和:5052

約数の個数: 48

約数和(自身を含む): 61762176

約数和(自身を除く): 40006716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4967, 9934, 14901, 19868, 24835, 29802, 49670, 59604, 74505, 99340, 149010, 298020, 362591, 725182, 1087773, 1450364, 1812955, 2175546, 3625910, 4351092, 5438865, 7251820, 10877730, 21755460]

約数ペア:

[(1, 21755460), (2, 10877730), (3, 7251820), (4, 5438865), (5, 4351092), (6, 3625910), (10, 2175546), (12, 1812955), (15, 1450364), (20, 1087773), (30, 725182), (60, 362591), (73, 298020), (146, 149010), (219, 99340), (292, 74505), (365, 59604), (438, 49670), (730, 29802), (876, 24835), (1095, 19868), (1460, 14901), (2190, 9934), (4380, 4967)]