21943467

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:274

約数の個数: 60

約数和(自身を含む): 40743120

約数和(自身を除く): 18799653

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 169, 189, 229, 273, 351, 507, 567, 687, 819, 1053, 1183, 1521, 1603, 2061, 2457, 2977, 3549, 4563, 4809, 6183, 7371, 8931, 10647, 13689, 14427, 18549, 20839, 26793, 31941, 38701, 43281, 62517, 80379, 95823, 116103, 129843, 187551, 241137, 270907, 348309, 562653, 812721, 1044927, 1687959, 2438163, 3134781, 7314489, 21943467]

約数ペア:

[(1, 21943467), (3, 7314489), (7, 3134781), (9, 2438163), (13, 1687959), (21, 1044927), (27, 812721), (39, 562653), (63, 348309), (81, 270907), (91, 241137), (117, 187551), (169, 129843), (189, 116103), (229, 95823), (273, 80379), (351, 62517), (507, 43281), (567, 38701), (687, 31941), (819, 26793), (1053, 20839), (1183, 18549), (1521, 14427), (1603, 13689), (2061, 10647), (2457, 8931), (2977, 7371), (3549, 6183), (4563, 4809)]