21842208

素因数分解:

$2^5\times 3^2\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:674

約数の個数: 72

約数和(自身を含む): 62653500

約数和(自身を除く): 40811292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 149, 288, 298, 447, 509, 596, 894, 1018, 1192, 1341, 1527, 1788, 2036, 2384, 2682, 3054, 3576, 4072, 4581, 4768, 5364, 6108, 7152, 8144, 9162, 10728, 12216, 14304, 16288, 18324, 21456, 24432, 36648, 42912, 48864, 73296, 75841, 146592, 151682, 227523, 303364, 455046, 606728, 682569, 910092, 1213456, 1365138, 1820184, 2426912, 2730276, 3640368, 5460552, 7280736, 10921104, 21842208]

約数ペア:

[(1, 21842208), (2, 10921104), (3, 7280736), (4, 5460552), (6, 3640368), (8, 2730276), (9, 2426912), (12, 1820184), (16, 1365138), (18, 1213456), (24, 910092), (32, 682569), (36, 606728), (48, 455046), (72, 303364), (96, 227523), (144, 151682), (149, 146592), (288, 75841), (298, 73296), (447, 48864), (509, 42912), (596, 36648), (894, 24432), (1018, 21456), (1192, 18324), (1341, 16288), (1527, 14304), (1788, 12216), (2036, 10728), (2384, 9162), (2682, 8144), (3054, 7152), (3576, 6108), (4072, 5364), (4581, 4768)]