21771144

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4957}}^1$

素因数の和:5030

約数の個数: 48

約数和(自身を含む): 59942220

約数和(自身を除く): 38171076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4957, 9914, 14871, 19828, 29742, 39656, 44613, 59484, 89226, 118968, 178452, 302377, 356904, 604754, 907131, 1209508, 1814262, 2419016, 2721393, 3628524, 5442786, 7257048, 10885572, 21771144]

約数ペア:

[(1, 21771144), (2, 10885572), (3, 7257048), (4, 5442786), (6, 3628524), (8, 2721393), (9, 2419016), (12, 1814262), (18, 1209508), (24, 907131), (36, 604754), (61, 356904), (72, 302377), (122, 178452), (183, 118968), (244, 89226), (366, 59484), (488, 44613), (549, 39656), (732, 29742), (1098, 19828), (1464, 14871), (2196, 9914), (4392, 4957)]