21516648

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13381}}^1$

素因数の和:13457

約数の個数: 32

約数和(自身を含む): 54598560

約数和(自身を除く): 33081912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13381, 26762, 40143, 53524, 80286, 107048, 160572, 321144, 896527, 1793054, 2689581, 3586108, 5379162, 7172216, 10758324, 21516648]

約数ペア:

[(1, 21516648), (2, 10758324), (3, 7172216), (4, 5379162), (6, 3586108), (8, 2689581), (12, 1793054), (24, 896527), (67, 321144), (134, 160572), (201, 107048), (268, 80286), (402, 53524), (536, 40143), (804, 26762), (1608, 13381)]