21721290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24967}}^1$

素因数の和:25006

約数の個数: 32

約数和(自身を含む): 53930880

約数和(自身を除く): 32209590

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 24967, 49934, 74901, 124835, 149802, 249670, 374505, 724043, 749010, 1448086, 2172129, 3620215, 4344258, 7240430, 10860645, 21721290]

約数ペア:

[(1, 21721290), (2, 10860645), (3, 7240430), (5, 4344258), (6, 3620215), (10, 2172129), (15, 1448086), (29, 749010), (30, 724043), (58, 374505), (87, 249670), (145, 149802), (174, 124835), (290, 74901), (435, 49934), (870, 24967)]