21177270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1409}}^1$

素因数の和:1589

約数の個数: 48

約数和(自身を含む): 55429920

約数和(自身を除く): 34252650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 167, 334, 501, 835, 1002, 1409, 1503, 1670, 2505, 2818, 3006, 4227, 5010, 7045, 7515, 8454, 12681, 14090, 15030, 21135, 25362, 42270, 63405, 126810, 235303, 470606, 705909, 1176515, 1411818, 2117727, 2353030, 3529545, 4235454, 7059090, 10588635, 21177270]

約数ペア:

[(1, 21177270), (2, 10588635), (3, 7059090), (5, 4235454), (6, 3529545), (9, 2353030), (10, 2117727), (15, 1411818), (18, 1176515), (30, 705909), (45, 470606), (90, 235303), (167, 126810), (334, 63405), (501, 42270), (835, 25362), (1002, 21135), (1409, 15030), (1503, 14090), (1670, 12681), (2505, 8454), (2818, 7515), (3006, 7045), (4227, 5010)]