21419398

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{823}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 43428096

約数和(自身を除く): 22008698

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 286, 338, 823, 1001, 1183, 1646, 1859, 2002, 2366, 3718, 5761, 9053, 10699, 11522, 13013, 18106, 21398, 26026, 63371, 74893, 117689, 126742, 139087, 149786, 235378, 278174, 823823, 973609, 1529957, 1647646, 1947218, 3059914, 10709699, 21419398]

約数ペア:

[(1, 21419398), (2, 10709699), (7, 3059914), (11, 1947218), (13, 1647646), (14, 1529957), (22, 973609), (26, 823823), (77, 278174), (91, 235378), (143, 149786), (154, 139087), (169, 126742), (182, 117689), (286, 74893), (338, 63371), (823, 26026), (1001, 21398), (1183, 18106), (1646, 13013), (1859, 11522), (2002, 10699), (2366, 9053), (3718, 5761)]