21993504

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17623}}^1$

素因数の和:17649

約数の個数: 48

約数和(自身を含む): 62177472

約数和(自身を除く): 40183968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17623, 35246, 52869, 70492, 105738, 140984, 211476, 229099, 281968, 422952, 458198, 563936, 687297, 845904, 916396, 1374594, 1691808, 1832792, 2749188, 3665584, 5498376, 7331168, 10996752, 21993504]

約数ペア:

[(1, 21993504), (2, 10996752), (3, 7331168), (4, 5498376), (6, 3665584), (8, 2749188), (12, 1832792), (13, 1691808), (16, 1374594), (24, 916396), (26, 845904), (32, 687297), (39, 563936), (48, 458198), (52, 422952), (78, 281968), (96, 229099), (104, 211476), (156, 140984), (208, 105738), (312, 70492), (416, 52869), (624, 35246), (1248, 17623)]