21498570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8237}}^1$

素因数の和:8279

約数の個数: 48

約数和(自身を含む): 57830760

約数和(自身を除く): 36332190

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, 8237, 16474, 24711, 41185, 49422, 74133, 82370, 123555, 148266, 238873, 247110, 370665, 477746, 716619, 741330, 1194365, 1433238, 2149857, 2388730, 3583095, 4299714, 7166190, 10749285, 21498570]

約数ペア:

[(1, 21498570), (2, 10749285), (3, 7166190), (5, 4299714), (6, 3583095), (9, 2388730), (10, 2149857), (15, 1433238), (18, 1194365), (29, 741330), (30, 716619), (45, 477746), (58, 370665), (87, 247110), (90, 238873), (145, 148266), (174, 123555), (261, 82370), (290, 74133), (435, 49422), (522, 41185), (870, 24711), (1305, 16474), (2610, 8237)]