21134157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 32280576

約数和(自身を除く): 11146419

約数列:

[1, 3, 11, 31, 33, 73, 93, 219, 283, 341, 803, 849, 1023, 2263, 2409, 3113, 6789, 8773, 9339, 20659, 24893, 26319, 61977, 74679, 96503, 227249, 289509, 640429, 681747, 1921287, 7044719, 21134157]

約数ペア:

[(1, 21134157), (3, 7044719), (11, 1921287), (31, 681747), (33, 640429), (73, 289509), (93, 227249), (219, 96503), (283, 74679), (341, 61977), (803, 26319), (849, 24893), (1023, 20659), (2263, 9339), (2409, 8773), (3113, 6789)]