21680826097

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{118801}}^1$

素因数の和:118897

約数の個数: 24

約数和(自身を含む): 26489994752

約数和(自身を除く): 4809168655

約数列:

[1, 7, 29, 31, 203, 217, 841, 899, 5887, 6293, 26071, 118801, 182497, 831607, 3445229, 3682831, 24116603, 25779817, 99911641, 106802099, 699381487, 747614693, 3097260871, 21680826097]

約数ペア:

[(1, 21680826097), (7, 3097260871), (29, 747614693), (31, 699381487), (203, 106802099), (217, 99911641), (841, 25779817), (899, 24116603), (5887, 3682831), (6293, 3445229), (26071, 831607), (118801, 182497)]