21314826

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 53361000

約数和(自身を除く): 32046174

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 81, 87, 117, 162, 174, 234, 261, 349, 351, 377, 522, 698, 702, 754, 783, 1047, 1053, 1131, 1566, 2094, 2106, 2262, 2349, 3141, 3393, 4537, 4698, 6282, 6786, 9074, 9423, 10121, 10179, 13611, 18846, 20242, 20358, 27222, 28269, 30363, 30537, 40833, 56538, 60726, 61074, 81666, 91089, 122499, 131573, 182178, 244998, 263146, 273267, 367497, 394719, 546534, 734994, 789438, 819801, 1184157, 1639602, 2368314, 3552471, 7104942, 10657413, 21314826]

約数ペア:

[(1, 21314826), (2, 10657413), (3, 7104942), (6, 3552471), (9, 2368314), (13, 1639602), (18, 1184157), (26, 819801), (27, 789438), (29, 734994), (39, 546534), (54, 394719), (58, 367497), (78, 273267), (81, 263146), (87, 244998), (117, 182178), (162, 131573), (174, 122499), (234, 91089), (261, 81666), (349, 61074), (351, 60726), (377, 56538), (522, 40833), (698, 30537), (702, 30363), (754, 28269), (783, 27222), (1047, 20358), (1053, 20242), (1131, 18846), (1566, 13611), (2094, 10179), (2106, 10121), (2262, 9423), (2349, 9074), (3141, 6786), (3393, 6282), (4537, 4698)]