21335535

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12157}}^1$

素因数の和:12184

約数の個数: 32

約数和(自身を含む): 40850880

約数和(自身を除く): 19515345

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 12157, 36471, 60785, 109413, 158041, 182355, 328239, 474123, 547065, 790205, 1422369, 1641195, 2370615, 4267107, 7111845, 21335535]

約数ペア:

[(1, 21335535), (3, 7111845), (5, 4267107), (9, 2370615), (13, 1641195), (15, 1422369), (27, 790205), (39, 547065), (45, 474123), (65, 328239), (117, 182355), (135, 158041), (195, 109413), (351, 60785), (585, 36471), (1755, 12157)]