21494190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31151}}^1$

素因数の和:31184

約数の個数: 32

約数和(自身を含む): 53830656

約数和(自身を除く): 32336466

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31151, 62302, 93453, 155755, 186906, 311510, 467265, 716473, 934530, 1432946, 2149419, 3582365, 4298838, 7164730, 10747095, 21494190]

約数ペア:

[(1, 21494190), (2, 10747095), (3, 7164730), (5, 4298838), (6, 3582365), (10, 2149419), (15, 1432946), (23, 934530), (30, 716473), (46, 467265), (69, 311510), (115, 186906), (138, 155755), (230, 93453), (345, 62302), (690, 31151)]