21952372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 46146240

約数和(自身を除く): 24193868

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1307, 2614, 4199, 5228, 8398, 16796, 16991, 22219, 24833, 33982, 44438, 49666, 67964, 88876, 99332, 288847, 322829, 422161, 577694, 645658, 844322, 1155388, 1291316, 1688644, 5488093, 10976186, 21952372]

約数ペア:

[(1, 21952372), (2, 10976186), (4, 5488093), (13, 1688644), (17, 1291316), (19, 1155388), (26, 844322), (34, 645658), (38, 577694), (52, 422161), (68, 322829), (76, 288847), (221, 99332), (247, 88876), (323, 67964), (442, 49666), (494, 44438), (646, 33982), (884, 24833), (988, 22219), (1292, 16991), (1307, 16796), (2614, 8398), (4199, 5228)]