21411078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{877}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 46316256

約数和(自身を除く): 24905178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 313, 626, 877, 939, 1754, 1878, 2631, 4069, 5262, 8138, 11401, 12207, 22802, 24414, 34203, 68406, 274501, 549002, 823503, 1647006, 3568513, 7137026, 10705539, 21411078]

約数ペア:

[(1, 21411078), (2, 10705539), (3, 7137026), (6, 3568513), (13, 1647006), (26, 823503), (39, 549002), (78, 274501), (313, 68406), (626, 34203), (877, 24414), (939, 22802), (1754, 12207), (1878, 11401), (2631, 8138), (4069, 5262)]