21034380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7459}}^1$

素因数の和:7518

約数の個数: 48

約数和(自身を含む): 60157440

約数和(自身を除く): 39123060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7459, 14918, 22377, 29836, 37295, 44754, 74590, 89508, 111885, 149180, 223770, 350573, 447540, 701146, 1051719, 1402292, 1752865, 2103438, 3505730, 4206876, 5258595, 7011460, 10517190, 21034380]

約数ペア:

[(1, 21034380), (2, 10517190), (3, 7011460), (4, 5258595), (5, 4206876), (6, 3505730), (10, 2103438), (12, 1752865), (15, 1402292), (20, 1051719), (30, 701146), (47, 447540), (60, 350573), (94, 223770), (141, 149180), (188, 111885), (235, 89508), (282, 74590), (470, 44754), (564, 37295), (705, 29836), (940, 22377), (1410, 14918), (2820, 7459)]