21667842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{449}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 32245758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 383, 449, 766, 898, 1149, 1347, 2298, 2681, 2694, 3143, 3447, 4041, 5362, 6286, 6894, 8043, 8082, 9429, 16086, 18858, 24129, 28287, 48258, 56574, 171967, 343934, 515901, 1031802, 1203769, 1547703, 2407538, 3095406, 3611307, 7222614, 10833921, 21667842]

約数ペア:

[(1, 21667842), (2, 10833921), (3, 7222614), (6, 3611307), (7, 3095406), (9, 2407538), (14, 1547703), (18, 1203769), (21, 1031802), (42, 515901), (63, 343934), (126, 171967), (383, 56574), (449, 48258), (766, 28287), (898, 24129), (1149, 18858), (1347, 16086), (2298, 9429), (2681, 8082), (2694, 8043), (3143, 6894), (3447, 6286), (4041, 5362)]