21806916

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 30877884

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 127, 164, 246, 254, 349, 381, 492, 508, 698, 762, 1047, 1396, 1524, 2094, 4188, 5207, 10414, 14309, 15621, 20828, 28618, 31242, 42927, 44323, 57236, 62484, 85854, 88646, 132969, 171708, 177292, 265938, 531876, 1817243, 3634486, 5451729, 7268972, 10903458, 21806916]

約数ペア:

[(1, 21806916), (2, 10903458), (3, 7268972), (4, 5451729), (6, 3634486), (12, 1817243), (41, 531876), (82, 265938), (123, 177292), (127, 171708), (164, 132969), (246, 88646), (254, 85854), (349, 62484), (381, 57236), (492, 44323), (508, 42927), (698, 31242), (762, 28618), (1047, 20828), (1396, 15621), (1524, 14309), (2094, 10414), (4188, 5207)]