21887688

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 34882872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 127, 129, 167, 172, 254, 258, 334, 344, 381, 501, 508, 516, 668, 762, 1002, 1016, 1032, 1336, 1524, 2004, 3048, 4008, 5461, 7181, 10922, 14362, 16383, 21209, 21543, 21844, 28724, 32766, 42418, 43086, 43688, 57448, 63627, 65532, 84836, 86172, 127254, 131064, 169672, 172344, 254508, 509016, 911987, 1823974, 2735961, 3647948, 5471922, 7295896, 10943844, 21887688]

約数ペア:

[(1, 21887688), (2, 10943844), (3, 7295896), (4, 5471922), (6, 3647948), (8, 2735961), (12, 1823974), (24, 911987), (43, 509016), (86, 254508), (127, 172344), (129, 169672), (167, 131064), (172, 127254), (254, 86172), (258, 84836), (334, 65532), (344, 63627), (381, 57448), (501, 43688), (508, 43086), (516, 42418), (668, 32766), (762, 28724), (1002, 21844), (1016, 21543), (1032, 21209), (1336, 16383), (1524, 14362), (2004, 10922), (3048, 7181), (4008, 5461)]