42140826

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1979}}^1$

素因数の和:2020

約数の個数: 72

約数和(自身を含む): 113050080

約数和(自身を除く): 70909254

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 1014, 1183, 1521, 1638, 1979, 2366, 3042, 3549, 3958, 5937, 7098, 10647, 11874, 13853, 17811, 21294, 25727, 27706, 35622, 41559, 51454, 77181, 83118, 124677, 154362, 180089, 231543, 249354, 334451, 360178, 463086, 540267, 668902, 1003353, 1080534, 1620801, 2006706, 2341157, 3010059, 3241602, 4682314, 6020118, 7023471, 14046942, 21070413, 42140826]

約数ペア:

[(1, 42140826), (2, 21070413), (3, 14046942), (6, 7023471), (7, 6020118), (9, 4682314), (13, 3241602), (14, 3010059), (18, 2341157), (21, 2006706), (26, 1620801), (39, 1080534), (42, 1003353), (63, 668902), (78, 540267), (91, 463086), (117, 360178), (126, 334451), (169, 249354), (182, 231543), (234, 180089), (273, 154362), (338, 124677), (507, 83118), (546, 77181), (819, 51454), (1014, 41559), (1183, 35622), (1521, 27706), (1638, 25727), (1979, 21294), (2366, 17811), (3042, 13853), (3549, 11874), (3958, 10647), (5937, 7098)]