21859936

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4243}}^1$

素因数の和:4283

約数の個数: 48

約数和(自身を含む): 51335424

約数和(自身を除く): 29475488

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4243, 5152, 8486, 16972, 29701, 33944, 59402, 67888, 97589, 118804, 135776, 195178, 237608, 390356, 475216, 683123, 780712, 950432, 1366246, 1561424, 2732492, 3122848, 5464984, 10929968, 21859936]

約数ペア:

[(1, 21859936), (2, 10929968), (4, 5464984), (7, 3122848), (8, 2732492), (14, 1561424), (16, 1366246), (23, 950432), (28, 780712), (32, 683123), (46, 475216), (56, 390356), (92, 237608), (112, 195178), (161, 135776), (184, 118804), (224, 97589), (322, 67888), (368, 59402), (644, 33944), (736, 29701), (1288, 16972), (2576, 8486), (4243, 5152)]