21086017004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{241513}}^1$

素因数の和:241626

約数の個数: 48

約数和(自身を含む): 42035028672

約数和(自身を除く): 20949011668

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 73, 92, 146, 292, 299, 598, 949, 1196, 1679, 1898, 3358, 3796, 6716, 21827, 43654, 87308, 241513, 483026, 966052, 3139669, 5554799, 6279338, 11109598, 12558676, 17630449, 22219196, 35260898, 70521796, 72212387, 144424774, 229195837, 288849548, 405500327, 458391674, 811000654, 916783348, 1622001308, 5271504251, 10543008502, 21086017004]

約数ペア:

[(1, 21086017004), (2, 10543008502), (4, 5271504251), (13, 1622001308), (23, 916783348), (26, 811000654), (46, 458391674), (52, 405500327), (73, 288849548), (92, 229195837), (146, 144424774), (292, 72212387), (299, 70521796), (598, 35260898), (949, 22219196), (1196, 17630449), (1679, 12558676), (1898, 11109598), (3358, 6279338), (3796, 5554799), (6716, 3139669), (21827, 966052), (43654, 483026), (87308, 241513)]