21579168

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17291}}^1$

素因数の和:17317

約数の個数: 48

約数和(自身を含む): 61006176

約数和(自身を除く): 39427008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17291, 34582, 51873, 69164, 103746, 138328, 207492, 224783, 276656, 414984, 449566, 553312, 674349, 829968, 899132, 1348698, 1659936, 1798264, 2697396, 3596528, 5394792, 7193056, 10789584, 21579168]

約数ペア:

[(1, 21579168), (2, 10789584), (3, 7193056), (4, 5394792), (6, 3596528), (8, 2697396), (12, 1798264), (13, 1659936), (16, 1348698), (24, 899132), (26, 829968), (32, 674349), (39, 553312), (48, 449566), (52, 414984), (78, 276656), (96, 224783), (104, 207492), (156, 138328), (208, 103746), (312, 69164), (416, 51873), (624, 34582), (1248, 17291)]