21059766

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 60293376

約数和(自身を除く): 39233610

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 23, 26, 39, 42, 43, 46, 63, 69, 78, 86, 91, 117, 126, 129, 138, 161, 169, 182, 207, 234, 258, 273, 299, 301, 322, 338, 387, 414, 483, 507, 546, 559, 598, 602, 774, 819, 897, 903, 966, 989, 1014, 1118, 1183, 1449, 1521, 1638, 1677, 1794, 1806, 1978, 2093, 2366, 2691, 2709, 2898, 2967, 3042, 3354, 3549, 3887, 3913, 4186, 5031, 5382, 5418, 5934, 6279, 6923, 7098, 7267, 7774, 7826, 8901, 10062, 10647, 11661, 11739, 12558, 12857, 13846, 14534, 17802, 18837, 20769, 21294, 21801, 23322, 23478, 25714, 27209, 34983, 35217, 37674, 38571, 41538, 43602, 50869, 54418, 62307, 65403, 69966, 70434, 77142, 81627, 89999, 101738, 115713, 124614, 130806, 152607, 163254, 167141, 179998, 231426, 244881, 269997, 305214, 334282, 457821, 489762, 501423, 539994, 809991, 915642, 1002846, 1169987, 1504269, 1619982, 2339974, 3008538, 3509961, 7019922, 10529883, 21059766]

約数ペア:

[(1, 21059766), (2, 10529883), (3, 7019922), (6, 3509961), (7, 3008538), (9, 2339974), (13, 1619982), (14, 1504269), (18, 1169987), (21, 1002846), (23, 915642), (26, 809991), (39, 539994), (42, 501423), (43, 489762), (46, 457821), (63, 334282), (69, 305214), (78, 269997), (86, 244881), (91, 231426), (117, 179998), (126, 167141), (129, 163254), (138, 152607), (161, 130806), (169, 124614), (182, 115713), (207, 101738), (234, 89999), (258, 81627), (273, 77142), (299, 70434), (301, 69966), (322, 65403), (338, 62307), (387, 54418), (414, 50869), (483, 43602), (507, 41538), (546, 38571), (559, 37674), (598, 35217), (602, 34983), (774, 27209), (819, 25714), (897, 23478), (903, 23322), (966, 21801), (989, 21294), (1014, 20769), (1118, 18837), (1183, 17802), (1449, 14534), (1521, 13846), (1638, 12857), (1677, 12558), (1794, 11739), (1806, 11661), (1978, 10647), (2093, 10062), (2366, 8901), (2691, 7826), (2709, 7774), (2898, 7267), (2967, 7098), (3042, 6923), (3354, 6279), (3549, 5934), (3887, 5418), (3913, 5382), (4186, 5031)]