21075792

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11867}}^1$

素因数の和:11915

約数の個数: 40

約数和(自身を含む): 55922016

約数和(自身を除く): 34846224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11867, 23734, 35601, 47468, 71202, 94936, 142404, 189872, 284808, 439079, 569616, 878158, 1317237, 1756316, 2634474, 3512632, 5268948, 7025264, 10537896, 21075792]

約数ペア:

[(1, 21075792), (2, 10537896), (3, 7025264), (4, 5268948), (6, 3512632), (8, 2634474), (12, 1756316), (16, 1317237), (24, 878158), (37, 569616), (48, 439079), (74, 284808), (111, 189872), (148, 142404), (222, 94936), (296, 71202), (444, 47468), (592, 35601), (888, 23734), (1776, 11867)]