21478770

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8839}}^1$

素因数の和:8861

約数の個数: 48

約数和(自身を含む): 57919680

約数和(自身を除く): 36440910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8839, 17678, 26517, 44195, 53034, 79551, 88390, 132585, 159102, 238653, 265170, 397755, 477306, 715959, 795510, 1193265, 1431918, 2147877, 2386530, 3579795, 4295754, 7159590, 10739385, 21478770]

約数ペア:

[(1, 21478770), (2, 10739385), (3, 7159590), (5, 4295754), (6, 3579795), (9, 2386530), (10, 2147877), (15, 1431918), (18, 1193265), (27, 795510), (30, 715959), (45, 477306), (54, 397755), (81, 265170), (90, 238653), (135, 159102), (162, 132585), (243, 88390), (270, 79551), (405, 53034), (486, 44195), (810, 26517), (1215, 17678), (2430, 8839)]