21070544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6301}}^1$

素因数の和:6339

約数の個数: 40

約数和(自身を含む): 46886880

約数和(自身を除く): 25816336

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6301, 12602, 25204, 50408, 69311, 100816, 119719, 138622, 239438, 277244, 478876, 554488, 957752, 1108976, 1316909, 1915504, 2633818, 5267636, 10535272, 21070544]

約数ペア:

[(1, 21070544), (2, 10535272), (4, 5267636), (8, 2633818), (11, 1915504), (16, 1316909), (19, 1108976), (22, 957752), (38, 554488), (44, 478876), (76, 277244), (88, 239438), (152, 138622), (176, 119719), (209, 100816), (304, 69311), (418, 50408), (836, 25204), (1672, 12602), (3344, 6301)]