21355944

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{3079}}^1$

素因数の和:3122

約数の個数: 48

約数和(自身を含む): 56733600

約数和(自身を除く): 35377656

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 289, 408, 578, 867, 1156, 1734, 2312, 3079, 3468, 6158, 6936, 9237, 12316, 18474, 24632, 36948, 52343, 73896, 104686, 157029, 209372, 314058, 418744, 628116, 889831, 1256232, 1779662, 2669493, 3559324, 5338986, 7118648, 10677972, 21355944]

約数ペア:

[(1, 21355944), (2, 10677972), (3, 7118648), (4, 5338986), (6, 3559324), (8, 2669493), (12, 1779662), (17, 1256232), (24, 889831), (34, 628116), (51, 418744), (68, 314058), (102, 209372), (136, 157029), (204, 104686), (289, 73896), (408, 52343), (578, 36948), (867, 24632), (1156, 18474), (1734, 12316), (2312, 9237), (3079, 6936), (3468, 6158)]