21991944

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{70487}}^1$

素因数の和:70509

約数の個数: 32

約数和(自身を含む): 59209920

約数和(自身を除く): 37217976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 70487, 140974, 211461, 281948, 422922, 563896, 845844, 916331, 1691688, 1832662, 2748993, 3665324, 5497986, 7330648, 10995972, 21991944]

約数ペア:

[(1, 21991944), (2, 10995972), (3, 7330648), (4, 5497986), (6, 3665324), (8, 2748993), (12, 1832662), (13, 1691688), (24, 916331), (26, 845844), (39, 563896), (52, 422922), (78, 281948), (104, 211461), (156, 140974), (312, 70487)]