21511230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1$

素因数の和:2945

約数の個数: 64

約数和(自身を含む): 58544640

約数和(自身を除く): 37033410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2903, 3705, 5806, 7410, 8709, 14515, 17418, 29030, 37739, 43545, 55157, 75478, 87090, 110314, 113217, 165471, 188695, 226434, 275785, 330942, 377390, 551570, 566085, 717041, 827355, 1132170, 1434082, 1654710, 2151123, 3585205, 4302246, 7170410, 10755615, 21511230]

約数ペア:

[(1, 21511230), (2, 10755615), (3, 7170410), (5, 4302246), (6, 3585205), (10, 2151123), (13, 1654710), (15, 1434082), (19, 1132170), (26, 827355), (30, 717041), (38, 566085), (39, 551570), (57, 377390), (65, 330942), (78, 275785), (95, 226434), (114, 188695), (130, 165471), (190, 113217), (195, 110314), (247, 87090), (285, 75478), (390, 55157), (494, 43545), (570, 37739), (741, 29030), (1235, 17418), (1482, 14515), (2470, 8709), (2903, 7410), (3705, 5806)]