21383808

素因数分解:

$2^7\times 3^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 57283200

約数和(自身を除く): 35899392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 233, 239, 384, 466, 478, 699, 717, 932, 956, 1398, 1434, 1864, 1912, 2796, 2868, 3728, 3824, 5592, 5736, 7456, 7648, 11184, 11472, 14912, 15296, 22368, 22944, 29824, 30592, 44736, 45888, 55687, 89472, 91776, 111374, 167061, 222748, 334122, 445496, 668244, 890992, 1336488, 1781984, 2672976, 3563968, 5345952, 7127936, 10691904, 21383808]

約数ペア:

[(1, 21383808), (2, 10691904), (3, 7127936), (4, 5345952), (6, 3563968), (8, 2672976), (12, 1781984), (16, 1336488), (24, 890992), (32, 668244), (48, 445496), (64, 334122), (96, 222748), (128, 167061), (192, 111374), (233, 91776), (239, 89472), (384, 55687), (466, 45888), (478, 44736), (699, 30592), (717, 29824), (932, 22944), (956, 22368), (1398, 15296), (1434, 14912), (1864, 11472), (1912, 11184), (2796, 7648), (2868, 7456), (3728, 5736), (3824, 5592)]