21000739218

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{497813}}^1$

素因数の和:497986

約数の個数: 32

約数和(自身を含む): 43011129600

約数和(自身を除く): 22010390382

約数列:

[1, 2, 3, 6, 79, 89, 158, 178, 237, 267, 474, 534, 7031, 14062, 21093, 42186, 497813, 995626, 1493439, 2986878, 39327227, 44305357, 78654454, 88610714, 117981681, 132916071, 235963362, 265832142, 3500123203, 7000246406, 10500369609, 21000739218]

約数ペア:

[(1, 21000739218), (2, 10500369609), (3, 7000246406), (6, 3500123203), (79, 265832142), (89, 235963362), (158, 132916071), (178, 117981681), (237, 88610714), (267, 78654454), (474, 44305357), (534, 39327227), (7031, 2986878), (14062, 1493439), (21093, 995626), (42186, 497813)]