21195324

素因数分解:

$2^2\times 3^3\times {\mathrm{229}}^1\times {\mathrm{857}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 55255200

約数和(自身を除く): 34059876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 229, 458, 687, 857, 916, 1374, 1714, 2061, 2571, 2748, 3428, 4122, 5142, 6183, 7713, 8244, 10284, 12366, 15426, 23139, 24732, 30852, 46278, 92556, 196253, 392506, 588759, 785012, 1177518, 1766277, 2355036, 3532554, 5298831, 7065108, 10597662, 21195324]

約数ペア:

[(1, 21195324), (2, 10597662), (3, 7065108), (4, 5298831), (6, 3532554), (9, 2355036), (12, 1766277), (18, 1177518), (27, 785012), (36, 588759), (54, 392506), (108, 196253), (229, 92556), (458, 46278), (687, 30852), (857, 24732), (916, 23139), (1374, 15426), (1714, 12366), (2061, 10284), (2571, 8244), (2748, 7713), (3428, 6183), (4122, 5142)]