21395916

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{16063}}^1$

素因数の和:16110

約数の個数: 36

約数和(自身を含む): 55549312

約数和(自身を除く): 34153396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 16063, 32126, 48189, 64252, 96378, 144567, 192756, 289134, 578268, 594331, 1188662, 1782993, 2377324, 3565986, 5348979, 7131972, 10697958, 21395916]

約数ペア:

[(1, 21395916), (2, 10697958), (3, 7131972), (4, 5348979), (6, 3565986), (9, 2377324), (12, 1782993), (18, 1188662), (36, 594331), (37, 578268), (74, 289134), (111, 192756), (148, 144567), (222, 96378), (333, 64252), (444, 48189), (666, 32126), (1332, 16063)]