21148632

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1229}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 57564000

約数和(自身を除く): 36415368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1229, 1434, 1912, 2151, 2458, 2868, 3687, 4302, 4916, 5736, 7374, 8604, 9832, 11061, 14748, 17208, 22122, 29496, 44244, 88488, 293731, 587462, 881193, 1174924, 1762386, 2349848, 2643579, 3524772, 5287158, 7049544, 10574316, 21148632]

約数ペア:

[(1, 21148632), (2, 10574316), (3, 7049544), (4, 5287158), (6, 3524772), (8, 2643579), (9, 2349848), (12, 1762386), (18, 1174924), (24, 881193), (36, 587462), (72, 293731), (239, 88488), (478, 44244), (717, 29496), (956, 22122), (1229, 17208), (1434, 14748), (1912, 11061), (2151, 9832), (2458, 8604), (2868, 7374), (3687, 5736), (4302, 4916)]