21241448

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 41583360

約数和(自身を除く): 20341912

約数列:

[1, 2, 4, 8, 31, 62, 97, 124, 194, 248, 388, 776, 883, 1766, 3007, 3532, 6014, 7064, 12028, 24056, 27373, 54746, 85651, 109492, 171302, 218984, 342604, 685208, 2655181, 5310362, 10620724, 21241448]

約数ペア:

[(1, 21241448), (2, 10620724), (4, 5310362), (8, 2655181), (31, 685208), (62, 342604), (97, 218984), (124, 171302), (194, 109492), (248, 85651), (388, 54746), (776, 27373), (883, 24056), (1766, 12028), (3007, 7064), (3532, 6014)]