21982890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17041}}^1$

素因数の和:17094

約数の個数: 32

約数和(自身を含む): 53989056

約数和(自身を除く): 32006166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 17041, 34082, 51123, 85205, 102246, 170410, 255615, 511230, 732763, 1465526, 2198289, 3663815, 4396578, 7327630, 10991445, 21982890]

約数ペア:

[(1, 21982890), (2, 10991445), (3, 7327630), (5, 4396578), (6, 3663815), (10, 2198289), (15, 1465526), (30, 732763), (43, 511230), (86, 255615), (129, 170410), (215, 102246), (258, 85205), (430, 51123), (645, 34082), (1290, 17041)]