21139967968

素因数分解:

$2^5\times 7^1\times {\mathrm{94374857}}^1$

素因数の和:94374874

約数の個数: 24

約数和(自身を含む): 47564928432

約数和(自身を除く): 26424960464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94374857, 188749714, 377499428, 660623999, 754998856, 1321247998, 1509997712, 2642495996, 3019995424, 5284991992, 10569983984, 21139967968]

約数ペア:

[(1, 21139967968), (2, 10569983984), (4, 5284991992), (7, 3019995424), (8, 2642495996), (14, 1509997712), (16, 1321247998), (28, 754998856), (32, 660623999), (56, 377499428), (112, 188749714), (224, 94374857)]