21235872

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31601}}^1$

素因数の和:31621

約数の個数: 48

約数和(自身を含む): 63709632

約数和(自身を除く): 42473760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31601, 63202, 94803, 126404, 189606, 221207, 252808, 379212, 442414, 505616, 663621, 758424, 884828, 1011232, 1327242, 1516848, 1769656, 2654484, 3033696, 3539312, 5308968, 7078624, 10617936, 21235872]

約数ペア:

[(1, 21235872), (2, 10617936), (3, 7078624), (4, 5308968), (6, 3539312), (7, 3033696), (8, 2654484), (12, 1769656), (14, 1516848), (16, 1327242), (21, 1011232), (24, 884828), (28, 758424), (32, 663621), (42, 505616), (48, 442414), (56, 379212), (84, 252808), (96, 221207), (112, 189606), (168, 126404), (224, 94803), (336, 63202), (672, 31601)]