21384342

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 56788992

約数和(自身を除く): 35404650

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 47, 63, 69, 94, 126, 138, 141, 157, 161, 207, 282, 314, 322, 329, 414, 423, 471, 483, 658, 846, 942, 966, 987, 1081, 1099, 1413, 1449, 1974, 2162, 2198, 2826, 2898, 2961, 3243, 3297, 3611, 5922, 6486, 6594, 7222, 7379, 7567, 9729, 9891, 10833, 14758, 15134, 19458, 19782, 21666, 22137, 22701, 25277, 32499, 44274, 45402, 50554, 51653, 64998, 66411, 68103, 75831, 103306, 132822, 136206, 151662, 154959, 169717, 227493, 309918, 339434, 454986, 464877, 509151, 929754, 1018302, 1188019, 1527453, 2376038, 3054906, 3564057, 7128114, 10692171, 21384342]

約数ペア:

[(1, 21384342), (2, 10692171), (3, 7128114), (6, 3564057), (7, 3054906), (9, 2376038), (14, 1527453), (18, 1188019), (21, 1018302), (23, 929754), (42, 509151), (46, 464877), (47, 454986), (63, 339434), (69, 309918), (94, 227493), (126, 169717), (138, 154959), (141, 151662), (157, 136206), (161, 132822), (207, 103306), (282, 75831), (314, 68103), (322, 66411), (329, 64998), (414, 51653), (423, 50554), (471, 45402), (483, 44274), (658, 32499), (846, 25277), (942, 22701), (966, 22137), (987, 21666), (1081, 19782), (1099, 19458), (1413, 15134), (1449, 14758), (1974, 10833), (2162, 9891), (2198, 9729), (2826, 7567), (2898, 7379), (2961, 7222), (3243, 6594), (3297, 6486), (3611, 5922)]