21805470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80761}}^1$

素因数の和:80777

約数の個数: 32

約数和(自身を含む): 58148640

約数和(自身を除く): 36343170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80761, 161522, 242283, 403805, 484566, 726849, 807610, 1211415, 1453698, 2180547, 2422830, 3634245, 4361094, 7268490, 10902735, 21805470]

約数ペア:

[(1, 21805470), (2, 10902735), (3, 7268490), (5, 4361094), (6, 3634245), (9, 2422830), (10, 2180547), (15, 1453698), (18, 1211415), (27, 807610), (30, 726849), (45, 484566), (54, 403805), (90, 242283), (135, 161522), (270, 80761)]