21643524

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{3181}}^1$

素因数の和:3207

約数の個数: 72

約数和(自身を含む): 64861888

約数和(自身を除く): 43218364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3181, 3402, 6362, 6804, 9543, 12724, 19086, 22267, 28629, 38172, 44534, 57258, 66801, 85887, 89068, 114516, 133602, 171774, 200403, 257661, 267204, 343548, 400806, 515322, 601209, 772983, 801612, 1030644, 1202418, 1545966, 1803627, 2404836, 3091932, 3607254, 5410881, 7214508, 10821762, 21643524]

約数ペア:

[(1, 21643524), (2, 10821762), (3, 7214508), (4, 5410881), (6, 3607254), (7, 3091932), (9, 2404836), (12, 1803627), (14, 1545966), (18, 1202418), (21, 1030644), (27, 801612), (28, 772983), (36, 601209), (42, 515322), (54, 400806), (63, 343548), (81, 267204), (84, 257661), (108, 200403), (126, 171774), (162, 133602), (189, 114516), (243, 89068), (252, 85887), (324, 66801), (378, 57258), (486, 44534), (567, 38172), (756, 28629), (972, 22267), (1134, 19086), (1701, 12724), (2268, 9543), (3181, 6804), (3402, 6362)]