21755136

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2211

約数の個数: 72

約数和(自身を含む): 62382880

約数和(自身を除く): 40627744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2179, 2496, 3328, 4358, 4992, 6537, 8716, 9984, 13074, 17432, 26148, 28327, 34864, 52296, 56654, 69728, 84981, 104592, 113308, 139456, 169962, 209184, 226616, 278912, 339924, 418368, 453232, 557824, 679848, 836736, 906464, 1359696, 1673472, 1812928, 2719392, 3625856, 5438784, 7251712, 10877568, 21755136]

約数ペア:

[(1, 21755136), (2, 10877568), (3, 7251712), (4, 5438784), (6, 3625856), (8, 2719392), (12, 1812928), (13, 1673472), (16, 1359696), (24, 906464), (26, 836736), (32, 679848), (39, 557824), (48, 453232), (52, 418368), (64, 339924), (78, 278912), (96, 226616), (104, 209184), (128, 169962), (156, 139456), (192, 113308), (208, 104592), (256, 84981), (312, 69728), (384, 56654), (416, 52296), (624, 34864), (768, 28327), (832, 26148), (1248, 17432), (1664, 13074), (2179, 9984), (2496, 8716), (3328, 6537), (4358, 4992)]