21095908

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 16825052

約数列:

[1, 2, 4, 53, 106, 151, 212, 302, 604, 659, 1318, 2636, 8003, 16006, 32012, 34927, 69854, 99509, 139708, 199018, 398036, 5273977, 10547954, 21095908]

約数ペア:

[(1, 21095908), (2, 10547954), (4, 5273977), (53, 398036), (106, 199018), (151, 139708), (212, 99509), (302, 69854), (604, 34927), (659, 32012), (1318, 16006), (2636, 8003)]