21801330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8353}}^1$

素因数の和:8395

約数の個数: 48

約数和(自身を含む): 58645080

約数和(自身を除く): 36843750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8353, 16706, 25059, 41765, 50118, 75177, 83530, 125295, 150354, 242237, 250590, 375885, 484474, 726711, 751770, 1211185, 1453422, 2180133, 2422370, 3633555, 4360266, 7267110, 10900665, 21801330]

約数ペア:

[(1, 21801330), (2, 10900665), (3, 7267110), (5, 4360266), (6, 3633555), (9, 2422370), (10, 2180133), (15, 1453422), (18, 1211185), (29, 751770), (30, 726711), (45, 484474), (58, 375885), (87, 250590), (90, 242237), (145, 150354), (174, 125295), (261, 83530), (290, 75177), (435, 50118), (522, 41765), (870, 25059), (1305, 16706), (2610, 8353)]