21197340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117763}}^1$

素因数の和:117778

約数の個数: 36

約数和(自身を含む): 64299144

約数和(自身を除く): 43101804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117763, 235526, 353289, 471052, 588815, 706578, 1059867, 1177630, 1413156, 1766445, 2119734, 2355260, 3532890, 4239468, 5299335, 7065780, 10598670, 21197340]

約数ペア:

[(1, 21197340), (2, 10598670), (3, 7065780), (4, 5299335), (5, 4239468), (6, 3532890), (9, 2355260), (10, 2119734), (12, 1766445), (15, 1413156), (18, 1177630), (20, 1059867), (30, 706578), (36, 588815), (45, 471052), (60, 353289), (90, 235526), (180, 117763)]