21459402

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{15091}}^1$

素因数の和:15178

約数の個数: 24

約数和(自身を含む): 47087040

約数和(自身を除く): 25627638

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 15091, 30182, 45273, 90546, 135819, 271638, 1192189, 2384378, 3576567, 7153134, 10729701, 21459402]

約数ペア:

[(1, 21459402), (2, 10729701), (3, 7153134), (6, 3576567), (9, 2384378), (18, 1192189), (79, 271638), (158, 135819), (237, 90546), (474, 45273), (711, 30182), (1422, 15091)]