21102548493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{18973}}^1$

素因数の和:19106

約数の個数: 48

約数和(自身を含む): 32386341120

約数和(自身を除く): 11283792627

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 361, 741, 1027, 1083, 1501, 3081, 4503, 4693, 14079, 18973, 19513, 28519, 56919, 58539, 85557, 246649, 360487, 370747, 739947, 1081461, 1112241, 1498867, 4496601, 4686331, 6849253, 14058993, 19485271, 20547759, 28478473, 58455813, 85435419, 89040289, 267120867, 370220149, 541090987, 1110660447, 1623272961, 7034182831, 21102548493]

約数ペア:

[(1, 21102548493), (3, 7034182831), (13, 1623272961), (19, 1110660447), (39, 541090987), (57, 370220149), (79, 267120867), (237, 89040289), (247, 85435419), (361, 58455813), (741, 28478473), (1027, 20547759), (1083, 19485271), (1501, 14058993), (3081, 6849253), (4503, 4686331), (4693, 4496601), (14079, 1498867), (18973, 1112241), (19513, 1081461), (28519, 739947), (56919, 370747), (58539, 360487), (85557, 246649)]