21940452

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3739}}^1$

素因数の和:3912

約数の個数: 36

約数和(自身を含む): 55815760

約数和(自身を除く): 33875308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3739, 5868, 7478, 11217, 14956, 22434, 33651, 44868, 67302, 134604, 609457, 1218914, 1828371, 2437828, 3656742, 5485113, 7313484, 10970226, 21940452]

約数ペア:

[(1, 21940452), (2, 10970226), (3, 7313484), (4, 5485113), (6, 3656742), (9, 2437828), (12, 1828371), (18, 1218914), (36, 609457), (163, 134604), (326, 67302), (489, 44868), (652, 33651), (978, 22434), (1467, 14956), (1956, 11217), (2934, 7478), (3739, 5868)]