21956835

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2115

約数の個数: 32

約数和(自身を含む): 37859328

約数和(自身を除く): 15902493

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2053, 2139, 3565, 6159, 10265, 10695, 30795, 47219, 63643, 141657, 190929, 236095, 318215, 708285, 954645, 1463789, 4391367, 7318945, 21956835]

約数ペア:

[(1, 21956835), (3, 7318945), (5, 4391367), (15, 1463789), (23, 954645), (31, 708285), (69, 318215), (93, 236095), (115, 190929), (155, 141657), (345, 63643), (465, 47219), (713, 30795), (2053, 10695), (2139, 10265), (3565, 6159)]