21005922

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1511}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 48190464

約数和(自身を除く): 27184542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 331, 662, 993, 1511, 1986, 2317, 3022, 4533, 4634, 6951, 9066, 10577, 13902, 21154, 31731, 63462, 500141, 1000282, 1500423, 3000846, 3500987, 7001974, 10502961, 21005922]

約数ペア:

[(1, 21005922), (2, 10502961), (3, 7001974), (6, 3500987), (7, 3000846), (14, 1500423), (21, 1000282), (42, 500141), (331, 63462), (662, 31731), (993, 21154), (1511, 13902), (1986, 10577), (2317, 9066), (3022, 6951), (4533, 4634)]