21950922

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 51464160

約数和(自身を除く): 29513238

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 197, 294, 379, 394, 591, 758, 1137, 1182, 1379, 2274, 2653, 2758, 4137, 5306, 7959, 8274, 9653, 15918, 18571, 19306, 28959, 37142, 55713, 57918, 74663, 111426, 149326, 223989, 447978, 522641, 1045282, 1567923, 3135846, 3658487, 7316974, 10975461, 21950922]

約数ペア:

[(1, 21950922), (2, 10975461), (3, 7316974), (6, 3658487), (7, 3135846), (14, 1567923), (21, 1045282), (42, 522641), (49, 447978), (98, 223989), (147, 149326), (197, 111426), (294, 74663), (379, 57918), (394, 55713), (591, 37142), (758, 28959), (1137, 19306), (1182, 18571), (1379, 15918), (2274, 9653), (2653, 8274), (2758, 7959), (4137, 5306)]