21808376

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 21322504

約数列:

[1, 2, 4, 8, 31, 47, 62, 94, 124, 188, 248, 376, 1457, 1871, 2914, 3742, 5828, 7484, 11656, 14968, 58001, 87937, 116002, 175874, 232004, 351748, 464008, 703496, 2726047, 5452094, 10904188, 21808376]

約数ペア:

[(1, 21808376), (2, 10904188), (4, 5452094), (8, 2726047), (31, 703496), (47, 464008), (62, 351748), (94, 232004), (124, 175874), (188, 116002), (248, 87937), (376, 58001), (1457, 14968), (1871, 11656), (2914, 7484), (3742, 5828)]