21940095

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1695

約数の個数: 32

約数和(自身を含む): 37509120

約数和(自身を除く): 15569025

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 1627, 2697, 4495, 4881, 8135, 13485, 24405, 47183, 50437, 141549, 151311, 235915, 252185, 707745, 756555, 1462673, 4388019, 7313365, 21940095]

約数ペア:

[(1, 21940095), (3, 7313365), (5, 4388019), (15, 1462673), (29, 756555), (31, 707745), (87, 252185), (93, 235915), (145, 151311), (155, 141549), (435, 50437), (465, 47183), (899, 24405), (1627, 13485), (2697, 8135), (4495, 4881)]