21167192870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{152909}}^1$

素因数の和:153152

約数の個数: 32

約数和(自身を含む): 38753510400

約数和(自身を除く): 17586317530

約数列:

[1, 2, 5, 10, 109, 127, 218, 254, 545, 635, 1090, 1270, 13843, 27686, 69215, 138430, 152909, 305818, 764545, 1529090, 16667081, 19419443, 33334162, 38838886, 83335405, 97097215, 166670810, 194194430, 2116719287, 4233438574, 10583596435, 21167192870]

約数ペア:

[(1, 21167192870), (2, 10583596435), (5, 4233438574), (10, 2116719287), (109, 194194430), (127, 166670810), (218, 97097215), (254, 83335405), (545, 38838886), (635, 33334162), (1090, 19419443), (1270, 16667081), (13843, 1529090), (27686, 764545), (69215, 305818), (138430, 152909)]