21209850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{5237}}^1$

素因数の和:5261

約数の個数: 60

約数和(自身を含む): 58943214

約数和(自身を除く): 37733364

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 675, 810, 1350, 2025, 4050, 5237, 10474, 15711, 26185, 31422, 47133, 52370, 78555, 94266, 130925, 141399, 157110, 235665, 261850, 282798, 392775, 424197, 471330, 706995, 785550, 848394, 1178325, 1413990, 2120985, 2356650, 3534975, 4241970, 7069950, 10604925, 21209850]

約数ペア:

[(1, 21209850), (2, 10604925), (3, 7069950), (5, 4241970), (6, 3534975), (9, 2356650), (10, 2120985), (15, 1413990), (18, 1178325), (25, 848394), (27, 785550), (30, 706995), (45, 471330), (50, 424197), (54, 392775), (75, 282798), (81, 261850), (90, 235665), (135, 157110), (150, 141399), (162, 130925), (225, 94266), (270, 78555), (405, 52370), (450, 47133), (675, 31422), (810, 26185), (1350, 15711), (2025, 10474), (4050, 5237)]