21461904

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{1447}}^1$

素因数の和:1564

約数の個数: 60

約数和(自身を含む): 60688576

約数和(自身を除く): 39226672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 206, 309, 412, 618, 824, 927, 1236, 1447, 1648, 1854, 2472, 2894, 3708, 4341, 4944, 5788, 7416, 8682, 11576, 13023, 14832, 17364, 23152, 26046, 34728, 52092, 69456, 104184, 149041, 208368, 298082, 447123, 596164, 894246, 1192328, 1341369, 1788492, 2384656, 2682738, 3576984, 5365476, 7153968, 10730952, 21461904]

約数ペア:

[(1, 21461904), (2, 10730952), (3, 7153968), (4, 5365476), (6, 3576984), (8, 2682738), (9, 2384656), (12, 1788492), (16, 1341369), (18, 1192328), (24, 894246), (36, 596164), (48, 447123), (72, 298082), (103, 208368), (144, 149041), (206, 104184), (309, 69456), (412, 52092), (618, 34728), (824, 26046), (927, 23152), (1236, 17364), (1447, 14832), (1648, 13023), (1854, 11576), (2472, 8682), (2894, 7416), (3708, 5788), (4341, 4944)]