21631764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:637

約数の個数: 96

約数和(自身を含む): 64576512

約数和(自身を除く): 42944748

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 41, 42, 44, 66, 77, 82, 84, 123, 132, 154, 164, 231, 246, 287, 308, 451, 462, 492, 571, 574, 861, 902, 924, 1142, 1148, 1353, 1713, 1722, 1804, 2284, 2706, 3157, 3426, 3444, 3997, 5412, 6281, 6314, 6852, 7994, 9471, 11991, 12562, 12628, 15988, 18843, 18942, 23411, 23982, 25124, 37686, 37884, 43967, 46822, 47964, 70233, 75372, 87934, 93644, 131901, 140466, 163877, 175868, 257521, 263802, 280932, 327754, 491631, 515042, 527604, 655508, 772563, 983262, 1030084, 1545126, 1802647, 1966524, 3090252, 3605294, 5407941, 7210588, 10815882, 21631764]

約数ペア:

[(1, 21631764), (2, 10815882), (3, 7210588), (4, 5407941), (6, 3605294), (7, 3090252), (11, 1966524), (12, 1802647), (14, 1545126), (21, 1030084), (22, 983262), (28, 772563), (33, 655508), (41, 527604), (42, 515042), (44, 491631), (66, 327754), (77, 280932), (82, 263802), (84, 257521), (123, 175868), (132, 163877), (154, 140466), (164, 131901), (231, 93644), (246, 87934), (287, 75372), (308, 70233), (451, 47964), (462, 46822), (492, 43967), (571, 37884), (574, 37686), (861, 25124), (902, 23982), (924, 23411), (1142, 18942), (1148, 18843), (1353, 15988), (1713, 12628), (1722, 12562), (1804, 11991), (2284, 9471), (2706, 7994), (3157, 6852), (3426, 6314), (3444, 6281), (3997, 5412)]