21653097

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 10197399

約数列:

[1, 3, 23, 31, 53, 69, 93, 159, 191, 573, 713, 1219, 1643, 2139, 3657, 4393, 4929, 5921, 10123, 13179, 17763, 30369, 37789, 113367, 136183, 232829, 313813, 408549, 698487, 941439, 7217699, 21653097]

約数ペア:

[(1, 21653097), (3, 7217699), (23, 941439), (31, 698487), (53, 408549), (69, 313813), (93, 232829), (159, 136183), (191, 113367), (573, 37789), (713, 30369), (1219, 17763), (1643, 13179), (2139, 10123), (3657, 5921), (4393, 4929)]