21172256

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3049}}^1$

素因数の和:3097

約数の個数: 48

約数和(自身を含む): 49190400

約数和(自身を除く): 28018144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3049, 3472, 6098, 6944, 12196, 21343, 24392, 42686, 48784, 85372, 94519, 97568, 170744, 189038, 341488, 378076, 661633, 682976, 756152, 1323266, 1512304, 2646532, 3024608, 5293064, 10586128, 21172256]

約数ペア:

[(1, 21172256), (2, 10586128), (4, 5293064), (7, 3024608), (8, 2646532), (14, 1512304), (16, 1323266), (28, 756152), (31, 682976), (32, 661633), (56, 378076), (62, 341488), (112, 189038), (124, 170744), (217, 97568), (224, 94519), (248, 85372), (434, 48784), (496, 42686), (868, 24392), (992, 21343), (1736, 12196), (3049, 6944), (3472, 6098)]