21927120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 68453952

約数和(自身を除く): 46526832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 433, 633, 844, 866, 1055, 1266, 1299, 1688, 1732, 2110, 2165, 2532, 2598, 3165, 3376, 3464, 4220, 4330, 5064, 5196, 6330, 6495, 6928, 8440, 8660, 10128, 10392, 12660, 12990, 16880, 17320, 20784, 25320, 25980, 34640, 50640, 51960, 91363, 103920, 182726, 274089, 365452, 456815, 548178, 730904, 913630, 1096356, 1370445, 1461808, 1827260, 2192712, 2740890, 3654520, 4385424, 5481780, 7309040, 10963560, 21927120]

約数ペア:

[(1, 21927120), (2, 10963560), (3, 7309040), (4, 5481780), (5, 4385424), (6, 3654520), (8, 2740890), (10, 2192712), (12, 1827260), (15, 1461808), (16, 1370445), (20, 1096356), (24, 913630), (30, 730904), (40, 548178), (48, 456815), (60, 365452), (80, 274089), (120, 182726), (211, 103920), (240, 91363), (422, 51960), (433, 50640), (633, 34640), (844, 25980), (866, 25320), (1055, 20784), (1266, 17320), (1299, 16880), (1688, 12990), (1732, 12660), (2110, 10392), (2165, 10128), (2532, 8660), (2598, 8440), (3165, 6928), (3376, 6495), (3464, 6330), (4220, 5196), (4330, 5064)]