42123438

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:478

約数の個数: 72

約数和(自身を含む): 107184168

約数和(自身を除く): 65060730

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 163, 293, 294, 326, 441, 489, 586, 879, 882, 978, 1141, 1467, 1758, 2051, 2282, 2637, 2934, 3423, 4102, 5274, 6153, 6846, 7987, 10269, 12306, 14357, 15974, 18459, 20538, 23961, 28714, 36918, 43071, 47759, 47922, 71883, 86142, 95518, 129213, 143277, 143766, 258426, 286554, 334313, 429831, 668626, 859662, 1002939, 2005878, 2340191, 3008817, 4680382, 6017634, 7020573, 14041146, 21061719, 42123438]

約数ペア:

[(1, 42123438), (2, 21061719), (3, 14041146), (6, 7020573), (7, 6017634), (9, 4680382), (14, 3008817), (18, 2340191), (21, 2005878), (42, 1002939), (49, 859662), (63, 668626), (98, 429831), (126, 334313), (147, 286554), (163, 258426), (293, 143766), (294, 143277), (326, 129213), (441, 95518), (489, 86142), (586, 71883), (879, 47922), (882, 47759), (978, 43071), (1141, 36918), (1467, 28714), (1758, 23961), (2051, 20538), (2282, 18459), (2637, 15974), (2934, 14357), (3423, 12306), (4102, 10269), (5274, 7987), (6153, 6846)]