21352518

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 31063482

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 103, 198, 206, 297, 309, 349, 594, 618, 698, 927, 1047, 1133, 1854, 2094, 2266, 2781, 3141, 3399, 3839, 5562, 6282, 6798, 7678, 9423, 10197, 11517, 18846, 20394, 23034, 30591, 34551, 35947, 61182, 69102, 71894, 103653, 107841, 207306, 215682, 323523, 395417, 647046, 790834, 970569, 1186251, 1941138, 2372502, 3558753, 7117506, 10676259, 21352518]

約数ペア:

[(1, 21352518), (2, 10676259), (3, 7117506), (6, 3558753), (9, 2372502), (11, 1941138), (18, 1186251), (22, 970569), (27, 790834), (33, 647046), (54, 395417), (66, 323523), (99, 215682), (103, 207306), (198, 107841), (206, 103653), (297, 71894), (309, 69102), (349, 61182), (594, 35947), (618, 34551), (698, 30591), (927, 23034), (1047, 20394), (1133, 18846), (1854, 11517), (2094, 10197), (2266, 9423), (2781, 7678), (3141, 6798), (3399, 6282), (3839, 5562)]