21823785

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3089}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 38081160

約数和(自身を除く): 16257375

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 3089, 7065, 9267, 15445, 27801, 46335, 139005, 484973, 1454919, 2424865, 4364757, 7274595, 21823785]

約数ペア:

[(1, 21823785), (3, 7274595), (5, 4364757), (9, 2424865), (15, 1454919), (45, 484973), (157, 139005), (471, 46335), (785, 27801), (1413, 15445), (2355, 9267), (3089, 7065)]