21751330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5563}}^1$

素因数の和:5610

約数の個数: 32

約数和(自身を含む): 43265664

約数和(自身を除く): 21514334

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5563, 11126, 27815, 55630, 94571, 127949, 189142, 255898, 472855, 639745, 945710, 1279490, 2175133, 4350266, 10875665, 21751330]

約数ペア:

[(1, 21751330), (2, 10875665), (5, 4350266), (10, 2175133), (17, 1279490), (23, 945710), (34, 639745), (46, 472855), (85, 255898), (115, 189142), (170, 127949), (230, 94571), (391, 55630), (782, 27815), (1955, 11126), (3910, 5563)]