21814890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8761}}^1$

素因数の和:8854

約数の個数: 32

約数和(自身を含む): 52992576

約数和(自身を除く): 31177686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8761, 17522, 26283, 43805, 52566, 87610, 131415, 262830, 727163, 1454326, 2181489, 3635815, 4362978, 7271630, 10907445, 21814890]

約数ペア:

[(1, 21814890), (2, 10907445), (3, 7271630), (5, 4362978), (6, 3635815), (10, 2181489), (15, 1454326), (30, 727163), (83, 262830), (166, 131415), (249, 87610), (415, 52566), (498, 43805), (830, 26283), (1245, 17522), (2490, 8761)]