21514890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31181}}^1$

素因数の和:31214

約数の個数: 32

約数和(自身を含む): 53882496

約数和(自身を除く): 32367606

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31181, 62362, 93543, 155905, 187086, 311810, 467715, 717163, 935430, 1434326, 2151489, 3585815, 4302978, 7171630, 10757445, 21514890]

約数ペア:

[(1, 21514890), (2, 10757445), (3, 7171630), (5, 4302978), (6, 3585815), (10, 2151489), (15, 1434326), (23, 935430), (30, 717163), (46, 467715), (69, 311810), (115, 187086), (138, 155905), (230, 93543), (345, 62362), (690, 31181)]