21000642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{877}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 45431232

約数和(自身を除く): 24430590

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 307, 614, 877, 921, 1754, 1842, 2631, 3991, 5262, 7982, 11401, 11973, 22802, 23946, 34203, 68406, 269239, 538478, 807717, 1615434, 3500107, 7000214, 10500321, 21000642]

約数ペア:

[(1, 21000642), (2, 10500321), (3, 7000214), (6, 3500107), (13, 1615434), (26, 807717), (39, 538478), (78, 269239), (307, 68406), (614, 34203), (877, 23946), (921, 22802), (1754, 11973), (1842, 11401), (2631, 7982), (3991, 5262)]