21119104

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1187}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 42411600

約数和(自身を除く): 21292496

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1112, 1187, 2224, 2374, 4448, 4748, 8896, 9496, 17792, 18992, 37984, 75968, 151936, 164993, 329986, 659972, 1319944, 2639888, 5279776, 10559552, 21119104]

約数ペア:

[(1, 21119104), (2, 10559552), (4, 5279776), (8, 2639888), (16, 1319944), (32, 659972), (64, 329986), (128, 164993), (139, 151936), (278, 75968), (556, 37984), (1112, 18992), (1187, 17792), (2224, 9496), (2374, 8896), (4448, 4748)]