21000213294

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1\times {\mathrm{2129}}^1$

素因数の和:2929

約数の個数: 64

約数和(自身を含む): 44057260800

約数和(自身を除く): 23057047506

約数列:

[1, 2, 3, 6, 29, 58, 83, 87, 166, 174, 249, 498, 683, 1366, 2049, 2129, 2407, 4098, 4258, 4814, 6387, 7221, 12774, 14442, 19807, 39614, 56689, 59421, 61741, 113378, 118842, 123482, 170067, 176707, 185223, 340134, 353414, 370446, 530121, 1060242, 1454107, 1643981, 2908214, 3287962, 4362321, 4931943, 5124503, 8724642, 9863886, 10249006, 15373509, 30747018, 42169103, 84338206, 120690881, 126507309, 241381762, 253014618, 362072643, 724145286, 3500035549, 7000071098, 10500106647, 21000213294]

約数ペア:

[(1, 21000213294), (2, 10500106647), (3, 7000071098), (6, 3500035549), (29, 724145286), (58, 362072643), (83, 253014618), (87, 241381762), (166, 126507309), (174, 120690881), (249, 84338206), (498, 42169103), (683, 30747018), (1366, 15373509), (2049, 10249006), (2129, 9863886), (2407, 8724642), (4098, 5124503), (4258, 4931943), (4814, 4362321), (6387, 3287962), (7221, 2908214), (12774, 1643981), (14442, 1454107), (19807, 1060242), (39614, 530121), (56689, 370446), (59421, 353414), (61741, 340134), (113378, 185223), (118842, 176707), (123482, 170067)]