21584736

素因数分解:

$2^5\times 3^2\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:668

約数の個数: 72

約数和(自身を含む): 61916400

約数和(自身を除く): 40331664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 149, 288, 298, 447, 503, 596, 894, 1006, 1192, 1341, 1509, 1788, 2012, 2384, 2682, 3018, 3576, 4024, 4527, 4768, 5364, 6036, 7152, 8048, 9054, 10728, 12072, 14304, 16096, 18108, 21456, 24144, 36216, 42912, 48288, 72432, 74947, 144864, 149894, 224841, 299788, 449682, 599576, 674523, 899364, 1199152, 1349046, 1798728, 2398304, 2698092, 3597456, 5396184, 7194912, 10792368, 21584736]

約数ペア:

[(1, 21584736), (2, 10792368), (3, 7194912), (4, 5396184), (6, 3597456), (8, 2698092), (9, 2398304), (12, 1798728), (16, 1349046), (18, 1199152), (24, 899364), (32, 674523), (36, 599576), (48, 449682), (72, 299788), (96, 224841), (144, 149894), (149, 144864), (288, 74947), (298, 72432), (447, 48288), (503, 42912), (596, 36216), (894, 24144), (1006, 21456), (1192, 18108), (1341, 16096), (1509, 14304), (1788, 12072), (2012, 10728), (2384, 9054), (2682, 8048), (3018, 7152), (3576, 6036), (4024, 5364), (4527, 4768)]