21371130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21587}}^1$

素因数の和:21611

約数の個数: 48

約数和(自身を含む): 60619104

約数和(自身を除く): 39247974

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21587, 43174, 64761, 107935, 129522, 194283, 215870, 237457, 323805, 388566, 474914, 647610, 712371, 971415, 1187285, 1424742, 1942830, 2137113, 2374570, 3561855, 4274226, 7123710, 10685565, 21371130]

約数ペア:

[(1, 21371130), (2, 10685565), (3, 7123710), (5, 4274226), (6, 3561855), (9, 2374570), (10, 2137113), (11, 1942830), (15, 1424742), (18, 1187285), (22, 971415), (30, 712371), (33, 647610), (45, 474914), (55, 388566), (66, 323805), (90, 237457), (99, 215870), (110, 194283), (165, 129522), (198, 107935), (330, 64761), (495, 43174), (990, 21587)]