21709968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64613}}^1$

素因数の和:64631

約数の個数: 40

約数和(自身を含む): 64097088

約数和(自身を除く): 42387120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64613, 129226, 193839, 258452, 387678, 452291, 516904, 775356, 904582, 1033808, 1356873, 1550712, 1809164, 2713746, 3101424, 3618328, 5427492, 7236656, 10854984, 21709968]

約数ペア:

[(1, 21709968), (2, 10854984), (3, 7236656), (4, 5427492), (6, 3618328), (7, 3101424), (8, 2713746), (12, 1809164), (14, 1550712), (16, 1356873), (21, 1033808), (24, 904582), (28, 775356), (42, 516904), (48, 452291), (56, 387678), (84, 258452), (112, 193839), (168, 129226), (336, 64613)]