21231432

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2251}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 57966480

約数和(自身を除く): 36735048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2251, 2358, 3144, 4502, 4716, 6753, 9004, 9432, 13506, 18008, 20259, 27012, 40518, 54024, 81036, 162072, 294881, 589762, 884643, 1179524, 1769286, 2359048, 2653929, 3538572, 5307858, 7077144, 10615716, 21231432]

約数ペア:

[(1, 21231432), (2, 10615716), (3, 7077144), (4, 5307858), (6, 3538572), (8, 2653929), (9, 2359048), (12, 1769286), (18, 1179524), (24, 884643), (36, 589762), (72, 294881), (131, 162072), (262, 81036), (393, 54024), (524, 40518), (786, 27012), (1048, 20259), (1179, 18008), (1572, 13506), (2251, 9432), (2358, 9004), (3144, 6753), (4502, 4716)]