21284130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14479}}^1$

素因数の和:14503

約数の個数: 48

約数和(自身を含む): 59425920

約数和(自身を除く): 38141790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14479, 28958, 43437, 72395, 86874, 101353, 144790, 202706, 217185, 304059, 434370, 506765, 608118, 709471, 1013530, 1418942, 1520295, 2128413, 3040590, 3547355, 4256826, 7094710, 10642065, 21284130]

約数ペア:

[(1, 21284130), (2, 10642065), (3, 7094710), (5, 4256826), (6, 3547355), (7, 3040590), (10, 2128413), (14, 1520295), (15, 1418942), (21, 1013530), (30, 709471), (35, 608118), (42, 506765), (49, 434370), (70, 304059), (98, 217185), (105, 202706), (147, 144790), (210, 101353), (245, 86874), (294, 72395), (490, 43437), (735, 28958), (1470, 14479)]