21384448

素因数分解:

$2^8\times {\mathrm{103}}^1\times {\mathrm{811}}^1$

素因数の和:930

約数の個数: 36

約数和(自身を含む): 43152928

約数和(自身を除く): 21768480

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 256, 412, 811, 824, 1622, 1648, 3244, 3296, 6488, 6592, 12976, 13184, 25952, 26368, 51904, 83533, 103808, 167066, 207616, 334132, 668264, 1336528, 2673056, 5346112, 10692224, 21384448]

約数ペア:

[(1, 21384448), (2, 10692224), (4, 5346112), (8, 2673056), (16, 1336528), (32, 668264), (64, 334132), (103, 207616), (128, 167066), (206, 103808), (256, 83533), (412, 51904), (811, 26368), (824, 25952), (1622, 13184), (1648, 12976), (3244, 6592), (3296, 6488)]