21137664

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1655

約数の個数: 72

約数和(自身を含む): 59603040

約数和(自身を除く): 38465376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1619, 1632, 2176, 3238, 3264, 4352, 4857, 6476, 6528, 9714, 12952, 13056, 19428, 25904, 27523, 38856, 51808, 55046, 77712, 82569, 103616, 110092, 155424, 165138, 207232, 220184, 310848, 330276, 414464, 440368, 621696, 660552, 880736, 1243392, 1321104, 1761472, 2642208, 3522944, 5284416, 7045888, 10568832, 21137664]

約数ペア:

[(1, 21137664), (2, 10568832), (3, 7045888), (4, 5284416), (6, 3522944), (8, 2642208), (12, 1761472), (16, 1321104), (17, 1243392), (24, 880736), (32, 660552), (34, 621696), (48, 440368), (51, 414464), (64, 330276), (68, 310848), (96, 220184), (102, 207232), (128, 165138), (136, 155424), (192, 110092), (204, 103616), (256, 82569), (272, 77712), (384, 55046), (408, 51808), (544, 38856), (768, 27523), (816, 25904), (1088, 19428), (1619, 13056), (1632, 12952), (2176, 9714), (3238, 6528), (3264, 6476), (4352, 4857)]