21496488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68899}}^1$

素因数の和:68921

約数の個数: 32

約数和(自身を含む): 57876000

約数和(自身を除く): 36379512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68899, 137798, 206697, 275596, 413394, 551192, 826788, 895687, 1653576, 1791374, 2687061, 3582748, 5374122, 7165496, 10748244, 21496488]

約数ペア:

[(1, 21496488), (2, 10748244), (3, 7165496), (4, 5374122), (6, 3582748), (8, 2687061), (12, 1791374), (13, 1653576), (24, 895687), (26, 826788), (39, 551192), (52, 413394), (78, 275596), (104, 206697), (156, 137798), (312, 68899)]