21398410992

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63685747}}^1$

素因数の和:63685765

約数の個数: 40

約数和(自身を含む): 63176262016

約数和(自身を除く): 41777851024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63685747, 127371494, 191057241, 254742988, 382114482, 445800229, 509485976, 764228964, 891600458, 1018971952, 1337400687, 1528457928, 1783200916, 2674801374, 3056915856, 3566401832, 5349602748, 7132803664, 10699205496, 21398410992]

約数ペア:

[(1, 21398410992), (2, 10699205496), (3, 7132803664), (4, 5349602748), (6, 3566401832), (7, 3056915856), (8, 2674801374), (12, 1783200916), (14, 1528457928), (16, 1337400687), (21, 1018971952), (24, 891600458), (28, 764228964), (42, 509485976), (48, 445800229), (56, 382114482), (84, 254742988), (112, 191057241), (168, 127371494), (336, 63685747)]