21183344

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14549}}^1$

素因数の和:14577

約数の個数: 40

約数和(自身を含む): 50517600

約数和(自身を除く): 29334256

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14549, 29098, 58196, 101843, 116392, 189137, 203686, 232784, 378274, 407372, 756548, 814744, 1323959, 1513096, 1629488, 2647918, 3026192, 5295836, 10591672, 21183344]

約数ペア:

[(1, 21183344), (2, 10591672), (4, 5295836), (7, 3026192), (8, 2647918), (13, 1629488), (14, 1513096), (16, 1323959), (26, 814744), (28, 756548), (52, 407372), (56, 378274), (91, 232784), (104, 203686), (112, 189137), (182, 116392), (208, 101843), (364, 58196), (728, 29098), (1456, 14549)]