21964680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 78427440

約数和(自身を除く): 56462760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 37, 40, 45, 51, 60, 68, 72, 74, 85, 90, 97, 102, 111, 120, 136, 148, 153, 170, 180, 185, 194, 204, 222, 255, 291, 296, 306, 333, 340, 360, 370, 388, 408, 444, 485, 510, 555, 582, 612, 629, 666, 680, 740, 765, 776, 873, 888, 970, 1020, 1110, 1164, 1224, 1258, 1332, 1455, 1480, 1530, 1649, 1665, 1746, 1887, 1940, 2040, 2220, 2328, 2516, 2664, 2910, 3060, 3145, 3298, 3330, 3492, 3589, 3774, 3880, 4365, 4440, 4947, 5032, 5661, 5820, 6120, 6290, 6596, 6660, 6984, 7178, 7548, 8245, 8730, 9435, 9894, 10767, 11322, 11640, 12580, 13192, 13320, 14356, 14841, 15096, 16490, 17460, 17945, 18870, 19788, 21534, 22644, 24735, 25160, 28305, 28712, 29682, 32301, 32980, 34920, 35890, 37740, 39576, 43068, 45288, 49470, 53835, 56610, 59364, 61013, 64602, 65960, 71780, 74205, 75480, 86136, 98940, 107670, 113220, 118728, 122026, 129204, 143560, 148410, 161505, 183039, 197880, 215340, 226440, 244052, 258408, 296820, 305065, 323010, 366078, 430680, 488104, 549117, 593640, 610130, 646020, 732156, 915195, 1098234, 1220260, 1292040, 1464312, 1830390, 2196468, 2440520, 2745585, 3660780, 4392936, 5491170, 7321560, 10982340, 21964680]

約数ペア:

[(1, 21964680), (2, 10982340), (3, 7321560), (4, 5491170), (5, 4392936), (6, 3660780), (8, 2745585), (9, 2440520), (10, 2196468), (12, 1830390), (15, 1464312), (17, 1292040), (18, 1220260), (20, 1098234), (24, 915195), (30, 732156), (34, 646020), (36, 610130), (37, 593640), (40, 549117), (45, 488104), (51, 430680), (60, 366078), (68, 323010), (72, 305065), (74, 296820), (85, 258408), (90, 244052), (97, 226440), (102, 215340), (111, 197880), (120, 183039), (136, 161505), (148, 148410), (153, 143560), (170, 129204), (180, 122026), (185, 118728), (194, 113220), (204, 107670), (222, 98940), (255, 86136), (291, 75480), (296, 74205), (306, 71780), (333, 65960), (340, 64602), (360, 61013), (370, 59364), (388, 56610), (408, 53835), (444, 49470), (485, 45288), (510, 43068), (555, 39576), (582, 37740), (612, 35890), (629, 34920), (666, 32980), (680, 32301), (740, 29682), (765, 28712), (776, 28305), (873, 25160), (888, 24735), (970, 22644), (1020, 21534), (1110, 19788), (1164, 18870), (1224, 17945), (1258, 17460), (1332, 16490), (1455, 15096), (1480, 14841), (1530, 14356), (1649, 13320), (1665, 13192), (1746, 12580), (1887, 11640), (1940, 11322), (2040, 10767), (2220, 9894), (2328, 9435), (2516, 8730), (2664, 8245), (2910, 7548), (3060, 7178), (3145, 6984), (3298, 6660), (3330, 6596), (3492, 6290), (3589, 6120), (3774, 5820), (3880, 5661), (4365, 5032), (4440, 4947)]