21000332145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1\times {\mathrm{56473}}^1$

素因数の和:58401

約数の個数: 32

約数和(自身を含む): 36204803712

約数和(自身を除く): 15204471567

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1907, 5721, 9535, 24791, 28605, 56473, 74373, 123955, 169419, 282365, 371865, 734149, 847095, 2202447, 3670745, 11012235, 107694011, 323082033, 538470055, 1400022143, 1615410165, 4200066429, 7000110715, 21000332145]

約数ペア:

[(1, 21000332145), (3, 7000110715), (5, 4200066429), (13, 1615410165), (15, 1400022143), (39, 538470055), (65, 323082033), (195, 107694011), (1907, 11012235), (5721, 3670745), (9535, 2202447), (24791, 847095), (28605, 734149), (56473, 371865), (74373, 282365), (123955, 169419)]