21443444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 43008000

約数和(自身を除く): 21564556

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 79, 124, 158, 199, 316, 341, 398, 682, 796, 869, 1364, 1738, 2189, 2449, 3476, 4378, 4898, 6169, 8756, 9796, 12338, 15721, 24676, 26939, 31442, 53878, 62884, 67859, 107756, 135718, 172931, 271436, 345862, 487351, 691724, 974702, 1949404, 5360861, 10721722, 21443444]

約数ペア:

[(1, 21443444), (2, 10721722), (4, 5360861), (11, 1949404), (22, 974702), (31, 691724), (44, 487351), (62, 345862), (79, 271436), (124, 172931), (158, 135718), (199, 107756), (316, 67859), (341, 62884), (398, 53878), (682, 31442), (796, 26939), (869, 24676), (1364, 15721), (1738, 12338), (2189, 9796), (2449, 8756), (3476, 6169), (4378, 4898)]