21125304

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4973}}^1$

素因数の和:5044

約数の個数: 48

約数和(自身を含む): 58195800

約数和(自身を除く): 37070496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 4973, 9946, 14919, 19892, 29838, 39784, 44757, 59676, 89514, 119352, 179028, 293407, 358056, 586814, 880221, 1173628, 1760442, 2347256, 2640663, 3520884, 5281326, 7041768, 10562652, 21125304]

約数ペア:

[(1, 21125304), (2, 10562652), (3, 7041768), (4, 5281326), (6, 3520884), (8, 2640663), (9, 2347256), (12, 1760442), (18, 1173628), (24, 880221), (36, 586814), (59, 358056), (72, 293407), (118, 179028), (177, 119352), (236, 89514), (354, 59676), (472, 44757), (531, 39784), (708, 29838), (1062, 19892), (1416, 14919), (2124, 9946), (4248, 4973)]