21594032

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 44372160

約数和(自身を除く): 22778128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 251, 283, 304, 502, 566, 1004, 1132, 2008, 2264, 4016, 4528, 4769, 5377, 9538, 10754, 19076, 21508, 38152, 43016, 71033, 76304, 86032, 142066, 284132, 568264, 1136528, 1349627, 2699254, 5398508, 10797016, 21594032]

約数ペア:

[(1, 21594032), (2, 10797016), (4, 5398508), (8, 2699254), (16, 1349627), (19, 1136528), (38, 568264), (76, 284132), (152, 142066), (251, 86032), (283, 76304), (304, 71033), (502, 43016), (566, 38152), (1004, 21508), (1132, 19076), (2008, 10754), (2264, 9538), (4016, 5377), (4528, 4769)]