21444752

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1648

約数の個数: 60

約数和(自身を含む): 51207660

約数和(自身を除く): 29762908

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 476, 784, 833, 952, 1609, 1666, 1904, 3218, 3332, 6436, 6664, 11263, 12872, 13328, 22526, 25744, 27353, 45052, 54706, 78841, 90104, 109412, 157682, 180208, 191471, 218824, 315364, 382942, 437648, 630728, 765884, 1261456, 1340297, 1531768, 2680594, 3063536, 5361188, 10722376, 21444752]

約数ペア:

[(1, 21444752), (2, 10722376), (4, 5361188), (7, 3063536), (8, 2680594), (14, 1531768), (16, 1340297), (17, 1261456), (28, 765884), (34, 630728), (49, 437648), (56, 382942), (68, 315364), (98, 218824), (112, 191471), (119, 180208), (136, 157682), (196, 109412), (238, 90104), (272, 78841), (392, 54706), (476, 45052), (784, 27353), (833, 25744), (952, 22526), (1609, 13328), (1666, 12872), (1904, 11263), (3218, 6664), (3332, 6436)]