21704499070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2719}}^1\times {\mathrm{11243}}^1$

素因数の和:14040

約数の個数: 32

約数和(自身を含む): 39636449280

約数和(自身を除く): 17931950210

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2719, 5438, 11243, 13595, 22486, 27190, 56215, 112430, 193049, 386098, 798253, 965245, 1596506, 1930490, 3991265, 7982530, 30569717, 61139434, 152848585, 305697170, 2170449907, 4340899814, 10852249535, 21704499070]

約数ペア:

[(1, 21704499070), (2, 10852249535), (5, 4340899814), (10, 2170449907), (71, 305697170), (142, 152848585), (355, 61139434), (710, 30569717), (2719, 7982530), (5438, 3991265), (11243, 1930490), (13595, 1596506), (22486, 965245), (27190, 798253), (56215, 386098), (112430, 193049)]