21807060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 51736620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 37, 38, 44, 47, 55, 57, 60, 66, 74, 76, 94, 95, 110, 111, 114, 132, 141, 148, 165, 185, 188, 190, 209, 220, 222, 228, 235, 282, 285, 330, 370, 380, 407, 418, 444, 470, 517, 555, 564, 570, 627, 660, 703, 705, 740, 814, 836, 893, 940, 1034, 1045, 1110, 1140, 1221, 1254, 1406, 1410, 1551, 1628, 1739, 1786, 2035, 2068, 2090, 2109, 2220, 2442, 2508, 2585, 2679, 2812, 2820, 3102, 3135, 3478, 3515, 3572, 4070, 4180, 4218, 4465, 4884, 5170, 5217, 5358, 6105, 6204, 6270, 6956, 7030, 7733, 7755, 8140, 8436, 8695, 8930, 9823, 10340, 10434, 10545, 10716, 12210, 12540, 13395, 14060, 15466, 15510, 17390, 17860, 19129, 19646, 20868, 21090, 23199, 24420, 26085, 26790, 29469, 30932, 31020, 33041, 34780, 38258, 38665, 39292, 42180, 46398, 49115, 52170, 53580, 57387, 58938, 66082, 76516, 77330, 92796, 95645, 98230, 99123, 104340, 114774, 115995, 117876, 132164, 147345, 154660, 165205, 191290, 196460, 198246, 229548, 231990, 286935, 294690, 330410, 363451, 382580, 396492, 463980, 495615, 573870, 589380, 660820, 726902, 991230, 1090353, 1147740, 1453804, 1817255, 1982460, 2180706, 3634510, 4361412, 5451765, 7269020, 10903530, 21807060]

約数ペア:

[(1, 21807060), (2, 10903530), (3, 7269020), (4, 5451765), (5, 4361412), (6, 3634510), (10, 2180706), (11, 1982460), (12, 1817255), (15, 1453804), (19, 1147740), (20, 1090353), (22, 991230), (30, 726902), (33, 660820), (37, 589380), (38, 573870), (44, 495615), (47, 463980), (55, 396492), (57, 382580), (60, 363451), (66, 330410), (74, 294690), (76, 286935), (94, 231990), (95, 229548), (110, 198246), (111, 196460), (114, 191290), (132, 165205), (141, 154660), (148, 147345), (165, 132164), (185, 117876), (188, 115995), (190, 114774), (209, 104340), (220, 99123), (222, 98230), (228, 95645), (235, 92796), (282, 77330), (285, 76516), (330, 66082), (370, 58938), (380, 57387), (407, 53580), (418, 52170), (444, 49115), (470, 46398), (517, 42180), (555, 39292), (564, 38665), (570, 38258), (627, 34780), (660, 33041), (703, 31020), (705, 30932), (740, 29469), (814, 26790), (836, 26085), (893, 24420), (940, 23199), (1034, 21090), (1045, 20868), (1110, 19646), (1140, 19129), (1221, 17860), (1254, 17390), (1406, 15510), (1410, 15466), (1551, 14060), (1628, 13395), (1739, 12540), (1786, 12210), (2035, 10716), (2068, 10545), (2090, 10434), (2109, 10340), (2220, 9823), (2442, 8930), (2508, 8695), (2585, 8436), (2679, 8140), (2812, 7755), (2820, 7733), (3102, 7030), (3135, 6956), (3478, 6270), (3515, 6204), (3572, 6105), (4070, 5358), (4180, 5217), (4218, 5170), (4465, 4884)]