21544845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6619}}^1$

素因数の和:6665

約数の個数: 32

約数和(自身を含む): 40673280

約数和(自身を除く): 19128435

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6619, 19857, 33095, 46333, 99285, 138999, 205189, 231665, 615567, 694995, 1025945, 1436323, 3077835, 4308969, 7181615, 21544845]

約数ペア:

[(1, 21544845), (3, 7181615), (5, 4308969), (7, 3077835), (15, 1436323), (21, 1025945), (31, 694995), (35, 615567), (93, 231665), (105, 205189), (155, 138999), (217, 99285), (465, 46333), (651, 33095), (1085, 19857), (3255, 6619)]