21293830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 18804410

約数列:

[1, 2, 5, 10, 29, 58, 101, 145, 202, 290, 505, 727, 1010, 1454, 2929, 3635, 5858, 7270, 14645, 21083, 29290, 42166, 73427, 105415, 146854, 210830, 367135, 734270, 2129383, 4258766, 10646915, 21293830]

約数ペア:

[(1, 21293830), (2, 10646915), (5, 4258766), (10, 2129383), (29, 734270), (58, 367135), (101, 210830), (145, 146854), (202, 105415), (290, 73427), (505, 42166), (727, 29290), (1010, 21083), (1454, 14645), (2929, 7270), (3635, 5858)]