21125328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62873}}^1$

素因数の和:62891

約数の個数: 40

約数和(自身を含む): 62371008

約数和(自身を除く): 41245680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62873, 125746, 188619, 251492, 377238, 440111, 502984, 754476, 880222, 1005968, 1320333, 1508952, 1760444, 2640666, 3017904, 3520888, 5281332, 7041776, 10562664, 21125328]

約数ペア:

[(1, 21125328), (2, 10562664), (3, 7041776), (4, 5281332), (6, 3520888), (7, 3017904), (8, 2640666), (12, 1760444), (14, 1508952), (16, 1320333), (21, 1005968), (24, 880222), (28, 754476), (42, 502984), (48, 440111), (56, 377238), (84, 251492), (112, 188619), (168, 125746), (336, 62873)]