21232260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 77898240

約数和(自身を除く): 56665980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 82, 84, 90, 105, 108, 123, 126, 135, 137, 140, 164, 180, 189, 205, 210, 246, 252, 270, 274, 287, 315, 369, 378, 410, 411, 420, 492, 540, 548, 574, 615, 630, 685, 738, 756, 820, 822, 861, 945, 959, 1107, 1148, 1230, 1233, 1260, 1370, 1435, 1476, 1644, 1722, 1845, 1890, 1918, 2055, 2214, 2460, 2466, 2583, 2740, 2870, 2877, 3444, 3690, 3699, 3780, 3836, 4110, 4305, 4428, 4795, 4932, 5166, 5535, 5617, 5740, 5754, 6165, 7380, 7398, 7749, 8220, 8610, 8631, 9590, 10332, 11070, 11234, 11508, 12330, 12915, 14385, 14796, 15498, 16851, 17220, 17262, 18495, 19180, 22140, 22468, 24660, 25830, 25893, 28085, 28770, 30996, 33702, 34524, 36990, 38745, 39319, 43155, 50553, 51660, 51786, 56170, 57540, 67404, 73980, 77490, 78638, 84255, 86310, 101106, 103572, 112340, 117957, 129465, 151659, 154980, 157276, 168510, 172620, 196595, 202212, 235914, 252765, 258930, 303318, 337020, 353871, 393190, 471828, 505530, 517860, 589785, 606636, 707742, 758295, 786380, 1011060, 1061613, 1179570, 1415484, 1516590, 1769355, 2123226, 2359140, 3033180, 3538710, 4246452, 5308065, 7077420, 10616130, 21232260]

約数ペア:

[(1, 21232260), (2, 10616130), (3, 7077420), (4, 5308065), (5, 4246452), (6, 3538710), (7, 3033180), (9, 2359140), (10, 2123226), (12, 1769355), (14, 1516590), (15, 1415484), (18, 1179570), (20, 1061613), (21, 1011060), (27, 786380), (28, 758295), (30, 707742), (35, 606636), (36, 589785), (41, 517860), (42, 505530), (45, 471828), (54, 393190), (60, 353871), (63, 337020), (70, 303318), (82, 258930), (84, 252765), (90, 235914), (105, 202212), (108, 196595), (123, 172620), (126, 168510), (135, 157276), (137, 154980), (140, 151659), (164, 129465), (180, 117957), (189, 112340), (205, 103572), (210, 101106), (246, 86310), (252, 84255), (270, 78638), (274, 77490), (287, 73980), (315, 67404), (369, 57540), (378, 56170), (410, 51786), (411, 51660), (420, 50553), (492, 43155), (540, 39319), (548, 38745), (574, 36990), (615, 34524), (630, 33702), (685, 30996), (738, 28770), (756, 28085), (820, 25893), (822, 25830), (861, 24660), (945, 22468), (959, 22140), (1107, 19180), (1148, 18495), (1230, 17262), (1233, 17220), (1260, 16851), (1370, 15498), (1435, 14796), (1476, 14385), (1644, 12915), (1722, 12330), (1845, 11508), (1890, 11234), (1918, 11070), (2055, 10332), (2214, 9590), (2460, 8631), (2466, 8610), (2583, 8220), (2740, 7749), (2870, 7398), (2877, 7380), (3444, 6165), (3690, 5754), (3699, 5740), (3780, 5617), (3836, 5535), (4110, 5166), (4305, 4932), (4428, 4795)]