21214704

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 63345152

約数和(自身を除く): 42130448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 103, 112, 168, 206, 309, 336, 412, 613, 618, 721, 824, 1226, 1236, 1442, 1648, 1839, 2163, 2452, 2472, 2884, 3678, 4291, 4326, 4904, 4944, 5768, 7356, 8582, 8652, 9808, 11536, 12873, 14712, 17164, 17304, 25746, 29424, 34328, 34608, 51492, 63139, 68656, 102984, 126278, 189417, 205968, 252556, 378834, 441973, 505112, 757668, 883946, 1010224, 1325919, 1515336, 1767892, 2651838, 3030672, 3535784, 5303676, 7071568, 10607352, 21214704]

約数ペア:

[(1, 21214704), (2, 10607352), (3, 7071568), (4, 5303676), (6, 3535784), (7, 3030672), (8, 2651838), (12, 1767892), (14, 1515336), (16, 1325919), (21, 1010224), (24, 883946), (28, 757668), (42, 505112), (48, 441973), (56, 378834), (84, 252556), (103, 205968), (112, 189417), (168, 126278), (206, 102984), (309, 68656), (336, 63139), (412, 51492), (613, 34608), (618, 34328), (721, 29424), (824, 25746), (1226, 17304), (1236, 17164), (1442, 14712), (1648, 12873), (1839, 11536), (2163, 9808), (2452, 8652), (2472, 8582), (2884, 7356), (3678, 5768), (4291, 4944), (4326, 4904)]