21658974

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{607}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 45818880

約数和(自身を除く): 24159906

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 313, 607, 626, 939, 1214, 1821, 1878, 3642, 5947, 11533, 11894, 17841, 23066, 34599, 35682, 69198, 189991, 379982, 569973, 1139946, 3609829, 7219658, 10829487, 21658974]

約数ペア:

[(1, 21658974), (2, 10829487), (3, 7219658), (6, 3609829), (19, 1139946), (38, 569973), (57, 379982), (114, 189991), (313, 69198), (607, 35682), (626, 34599), (939, 23066), (1214, 17841), (1821, 11894), (1878, 11533), (3642, 5947)]