21447646670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1\times {\mathrm{87911}}^1$

素因数の和:88736

約数の個数: 32

約数和(自身を含む): 39902201856

約数和(自身を除く): 18454555186

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 787, 1574, 3935, 7870, 24397, 48794, 87911, 121985, 175822, 243970, 439555, 879110, 2725241, 5450482, 13626205, 27252410, 69185957, 138371914, 345929785, 691859570, 2144764667, 4289529334, 10723823335, 21447646670]

約数ペア:

[(1, 21447646670), (2, 10723823335), (5, 4289529334), (10, 2144764667), (31, 691859570), (62, 345929785), (155, 138371914), (310, 69185957), (787, 27252410), (1574, 13626205), (3935, 5450482), (7870, 2725241), (24397, 879110), (48794, 439555), (87911, 243970), (121985, 175822)]