21016704

素因数分解:

$2^7\times 3^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 56304000

約数和(自身を除く): 35287296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 229, 239, 384, 458, 478, 687, 717, 916, 956, 1374, 1434, 1832, 1912, 2748, 2868, 3664, 3824, 5496, 5736, 7328, 7648, 10992, 11472, 14656, 15296, 21984, 22944, 29312, 30592, 43968, 45888, 54731, 87936, 91776, 109462, 164193, 218924, 328386, 437848, 656772, 875696, 1313544, 1751392, 2627088, 3502784, 5254176, 7005568, 10508352, 21016704]

約数ペア:

[(1, 21016704), (2, 10508352), (3, 7005568), (4, 5254176), (6, 3502784), (8, 2627088), (12, 1751392), (16, 1313544), (24, 875696), (32, 656772), (48, 437848), (64, 328386), (96, 218924), (128, 164193), (192, 109462), (229, 91776), (239, 87936), (384, 54731), (458, 45888), (478, 43968), (687, 30592), (717, 29312), (916, 22944), (956, 21984), (1374, 15296), (1434, 14656), (1832, 11472), (1912, 10992), (2748, 7648), (2868, 7328), (3664, 5736), (3824, 5496)]