21544490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2683}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 42901056

約数和(自身を除く): 21356566

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2683, 4015, 5366, 8030, 13415, 26830, 29513, 59026, 147565, 195859, 295130, 391718, 979295, 1958590, 2154449, 4308898, 10772245, 21544490]

約数ペア:

[(1, 21544490), (2, 10772245), (5, 4308898), (10, 2154449), (11, 1958590), (22, 979295), (55, 391718), (73, 295130), (110, 195859), (146, 147565), (365, 59026), (730, 29513), (803, 26830), (1606, 13415), (2683, 8030), (4015, 5366)]