21579360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 192

約数和(自身を含む): 76495104

約数和(自身を除く): 54915744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 61, 66, 67, 80, 88, 96, 110, 120, 122, 132, 134, 160, 165, 176, 183, 201, 220, 240, 244, 264, 268, 305, 330, 335, 352, 366, 402, 440, 480, 488, 528, 536, 610, 660, 670, 671, 732, 737, 804, 880, 915, 976, 1005, 1056, 1072, 1220, 1320, 1340, 1342, 1464, 1474, 1608, 1760, 1830, 1952, 2010, 2013, 2144, 2211, 2440, 2640, 2680, 2684, 2928, 2948, 3216, 3355, 3660, 3685, 4020, 4026, 4087, 4422, 4880, 5280, 5360, 5368, 5856, 5896, 6432, 6710, 7320, 7370, 8040, 8052, 8174, 8844, 9760, 10065, 10720, 10736, 11055, 11792, 12261, 13420, 14640, 14740, 16080, 16104, 16348, 17688, 20130, 20435, 21472, 22110, 23584, 24522, 26840, 29280, 29480, 32160, 32208, 32696, 35376, 40260, 40870, 44220, 44957, 49044, 53680, 58960, 61305, 64416, 65392, 70752, 80520, 81740, 88440, 89914, 98088, 107360, 117920, 122610, 130784, 134871, 161040, 163480, 176880, 179828, 196176, 224785, 245220, 269742, 322080, 326960, 353760, 359656, 392352, 449570, 490440, 539484, 653920, 674355, 719312, 899140, 980880, 1078968, 1348710, 1438624, 1798280, 1961760, 2157936, 2697420, 3596560, 4315872, 5394840, 7193120, 10789680, 21579360]

約数ペア:

[(1, 21579360), (2, 10789680), (3, 7193120), (4, 5394840), (5, 4315872), (6, 3596560), (8, 2697420), (10, 2157936), (11, 1961760), (12, 1798280), (15, 1438624), (16, 1348710), (20, 1078968), (22, 980880), (24, 899140), (30, 719312), (32, 674355), (33, 653920), (40, 539484), (44, 490440), (48, 449570), (55, 392352), (60, 359656), (61, 353760), (66, 326960), (67, 322080), (80, 269742), (88, 245220), (96, 224785), (110, 196176), (120, 179828), (122, 176880), (132, 163480), (134, 161040), (160, 134871), (165, 130784), (176, 122610), (183, 117920), (201, 107360), (220, 98088), (240, 89914), (244, 88440), (264, 81740), (268, 80520), (305, 70752), (330, 65392), (335, 64416), (352, 61305), (366, 58960), (402, 53680), (440, 49044), (480, 44957), (488, 44220), (528, 40870), (536, 40260), (610, 35376), (660, 32696), (670, 32208), (671, 32160), (732, 29480), (737, 29280), (804, 26840), (880, 24522), (915, 23584), (976, 22110), (1005, 21472), (1056, 20435), (1072, 20130), (1220, 17688), (1320, 16348), (1340, 16104), (1342, 16080), (1464, 14740), (1474, 14640), (1608, 13420), (1760, 12261), (1830, 11792), (1952, 11055), (2010, 10736), (2013, 10720), (2144, 10065), (2211, 9760), (2440, 8844), (2640, 8174), (2680, 8052), (2684, 8040), (2928, 7370), (2948, 7320), (3216, 6710), (3355, 6432), (3660, 5896), (3685, 5856), (4020, 5368), (4026, 5360), (4087, 5280), (4422, 4880)]