21698614

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 39352320

約数和(自身を除く): 17653706

約数列:

[1, 2, 7, 14, 23, 46, 79, 158, 161, 322, 553, 853, 1106, 1706, 1817, 3634, 5971, 11942, 12719, 19619, 25438, 39238, 67387, 134774, 137333, 274666, 471709, 943418, 1549901, 3099802, 10849307, 21698614]

約数ペア:

[(1, 21698614), (2, 10849307), (7, 3099802), (14, 1549901), (23, 943418), (46, 471709), (79, 274666), (158, 137333), (161, 134774), (322, 67387), (553, 39238), (853, 25438), (1106, 19619), (1706, 12719), (1817, 11942), (3634, 5971)]