21300468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4157}}^1$

素因数の和:4232

約数の個数: 48

約数和(自身を含む): 57746304

約数和(自身を除く): 36445836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 4157, 5124, 8314, 12471, 16628, 24942, 29099, 49884, 58198, 87297, 116396, 174594, 253577, 349188, 507154, 760731, 1014308, 1521462, 1775039, 3042924, 3550078, 5325117, 7100156, 10650234, 21300468]

約数ペア:

[(1, 21300468), (2, 10650234), (3, 7100156), (4, 5325117), (6, 3550078), (7, 3042924), (12, 1775039), (14, 1521462), (21, 1014308), (28, 760731), (42, 507154), (61, 349188), (84, 253577), (122, 174594), (183, 116396), (244, 87297), (366, 58198), (427, 49884), (732, 29099), (854, 24942), (1281, 16628), (1708, 12471), (2562, 8314), (4157, 5124)]