21766650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 56148192

約数和(自身を除く): 34381542

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 151, 155, 186, 302, 310, 453, 465, 755, 775, 906, 930, 961, 1510, 1550, 1922, 2265, 2325, 2883, 3775, 4530, 4650, 4681, 4805, 5766, 7550, 9362, 9610, 11325, 14043, 14415, 22650, 23405, 24025, 28086, 28830, 46810, 48050, 70215, 72075, 117025, 140430, 144150, 145111, 234050, 290222, 351075, 435333, 702150, 725555, 870666, 1451110, 2176665, 3627775, 4353330, 7255550, 10883325, 21766650]

約数ペア:

[(1, 21766650), (2, 10883325), (3, 7255550), (5, 4353330), (6, 3627775), (10, 2176665), (15, 1451110), (25, 870666), (30, 725555), (31, 702150), (50, 435333), (62, 351075), (75, 290222), (93, 234050), (150, 145111), (151, 144150), (155, 140430), (186, 117025), (302, 72075), (310, 70215), (453, 48050), (465, 46810), (755, 28830), (775, 28086), (906, 24025), (930, 23405), (961, 22650), (1510, 14415), (1550, 14043), (1922, 11325), (2265, 9610), (2325, 9362), (2883, 7550), (3775, 5766), (4530, 4805), (4650, 4681)]