21538992

素因数分解:

$2^4\times 3^1\times {\mathrm{167}}^1\times {\mathrm{2687}}^1$

素因数の和:2865

約数の個数: 40

約数和(自身を含む): 55996416

約数和(自身を除く): 34457424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 167, 334, 501, 668, 1002, 1336, 2004, 2672, 2687, 4008, 5374, 8016, 8061, 10748, 16122, 21496, 32244, 42992, 64488, 128976, 448729, 897458, 1346187, 1794916, 2692374, 3589832, 5384748, 7179664, 10769496, 21538992]

約数ペア:

[(1, 21538992), (2, 10769496), (3, 7179664), (4, 5384748), (6, 3589832), (8, 2692374), (12, 1794916), (16, 1346187), (24, 897458), (48, 448729), (167, 128976), (334, 64488), (501, 42992), (668, 32244), (1002, 21496), (1336, 16122), (2004, 10748), (2672, 8061), (2687, 8016), (4008, 5374)]