21292095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3001}}^1$

素因数の和:3063

約数の個数: 32

約数和(自身を含む): 38041344

約数和(自身を除く): 16749249

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 3001, 7095, 9003, 15005, 33011, 45015, 99033, 129043, 165055, 387129, 495165, 645215, 1419473, 1935645, 4258419, 7097365, 21292095]

約数ペア:

[(1, 21292095), (3, 7097365), (5, 4258419), (11, 1935645), (15, 1419473), (33, 645215), (43, 495165), (55, 387129), (129, 165055), (165, 129043), (215, 99033), (473, 45015), (645, 33011), (1419, 15005), (2365, 9003), (3001, 7095)]