21730884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4241}}^1$

素因数の和:4316

約数の個数: 48

約数和(自身を含む): 58912896

約数和(自身を除く): 37182012

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, 4241, 5124, 8482, 12723, 16964, 25446, 29687, 50892, 59374, 89061, 118748, 178122, 258701, 356244, 517402, 776103, 1034804, 1552206, 1810907, 3104412, 3621814, 5432721, 7243628, 10865442, 21730884]

約数ペア:

[(1, 21730884), (2, 10865442), (3, 7243628), (4, 5432721), (6, 3621814), (7, 3104412), (12, 1810907), (14, 1552206), (21, 1034804), (28, 776103), (42, 517402), (61, 356244), (84, 258701), (122, 178122), (183, 118748), (244, 89061), (366, 59374), (427, 50892), (732, 29687), (854, 25446), (1281, 16964), (1708, 12723), (2562, 8482), (4241, 5124)]