21650044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 45511200

約数和(自身を除く): 23861156

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1289, 1292, 2578, 4199, 5156, 8398, 16757, 16796, 21913, 24491, 33514, 43826, 48982, 67028, 87652, 97964, 284869, 318383, 416347, 569738, 636766, 832694, 1139476, 1273532, 1665388, 5412511, 10825022, 21650044]

約数ペア:

[(1, 21650044), (2, 10825022), (4, 5412511), (13, 1665388), (17, 1273532), (19, 1139476), (26, 832694), (34, 636766), (38, 569738), (52, 416347), (68, 318383), (76, 284869), (221, 97964), (247, 87652), (323, 67028), (442, 48982), (494, 43826), (646, 33514), (884, 24491), (988, 21913), (1289, 16796), (1292, 16757), (2578, 8398), (4199, 5156)]