21827988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2254

約数の個数: 96

約数和(自身を含む): 69681920

約数和(自身を除く): 47853932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2221, 2457, 3276, 4442, 4914, 6663, 8884, 9828, 13326, 15547, 19989, 26652, 28873, 31094, 39978, 46641, 57746, 59967, 62188, 79956, 86619, 93282, 115492, 119934, 139923, 173238, 186564, 202111, 239868, 259857, 279846, 346476, 404222, 419769, 519714, 559692, 606333, 779571, 808444, 839538, 1039428, 1212666, 1559142, 1679076, 1818999, 2425332, 3118284, 3637998, 5456997, 7275996, 10913994, 21827988]

約数ペア:

[(1, 21827988), (2, 10913994), (3, 7275996), (4, 5456997), (6, 3637998), (7, 3118284), (9, 2425332), (12, 1818999), (13, 1679076), (14, 1559142), (18, 1212666), (21, 1039428), (26, 839538), (27, 808444), (28, 779571), (36, 606333), (39, 559692), (42, 519714), (52, 419769), (54, 404222), (63, 346476), (78, 279846), (84, 259857), (91, 239868), (108, 202111), (117, 186564), (126, 173238), (156, 139923), (182, 119934), (189, 115492), (234, 93282), (252, 86619), (273, 79956), (351, 62188), (364, 59967), (378, 57746), (468, 46641), (546, 39978), (702, 31094), (756, 28873), (819, 26652), (1092, 19989), (1404, 15547), (1638, 13326), (2221, 9828), (2457, 8884), (3276, 6663), (4442, 4914)]