21000658224

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{27791}}^1$

素因数の和:27995

約数の個数: 160

約数和(自身を含む): 67159701504

約数和(自身を除く): 46159043280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 173, 182, 208, 273, 312, 336, 346, 364, 519, 546, 624, 692, 728, 1038, 1092, 1211, 1384, 1456, 2076, 2184, 2249, 2422, 2768, 3633, 4152, 4368, 4498, 4844, 6747, 7266, 8304, 8996, 9688, 13494, 14532, 15743, 17992, 19376, 26988, 27791, 29064, 31486, 35984, 47229, 53976, 55582, 58128, 62972, 83373, 94458, 107952, 111164, 125944, 166746, 188916, 194537, 222328, 251888, 333492, 361283, 377832, 389074, 444656, 583611, 666984, 722566, 755664, 778148, 1083849, 1167222, 1333968, 1445132, 1556296, 2167698, 2334444, 2528981, 2890264, 3112592, 4335396, 4668888, 4807843, 5057962, 5780528, 7586943, 8670792, 9337776, 9615686, 10115924, 14423529, 15173886, 17341584, 19231372, 20231848, 28847058, 30347772, 33654901, 38462744, 40463696, 57694116, 60695544, 62501959, 67309802, 76925488, 100964703, 115388232, 121391088, 125003918, 134619604, 187505877, 201929406, 230776464, 250007836, 269239208, 375011754, 403858812, 437513713, 500015672, 538478416, 750023508, 807717624, 875027426, 1000031344, 1312541139, 1500047016, 1615435248, 1750054852, 2625082278, 3000094032, 3500109704, 5250164556, 7000219408, 10500329112, 21000658224]

約数ペア:

[(1, 21000658224), (2, 10500329112), (3, 7000219408), (4, 5250164556), (6, 3500109704), (7, 3000094032), (8, 2625082278), (12, 1750054852), (13, 1615435248), (14, 1500047016), (16, 1312541139), (21, 1000031344), (24, 875027426), (26, 807717624), (28, 750023508), (39, 538478416), (42, 500015672), (48, 437513713), (52, 403858812), (56, 375011754), (78, 269239208), (84, 250007836), (91, 230776464), (104, 201929406), (112, 187505877), (156, 134619604), (168, 125003918), (173, 121391088), (182, 115388232), (208, 100964703), (273, 76925488), (312, 67309802), (336, 62501959), (346, 60695544), (364, 57694116), (519, 40463696), (546, 38462744), (624, 33654901), (692, 30347772), (728, 28847058), (1038, 20231848), (1092, 19231372), (1211, 17341584), (1384, 15173886), (1456, 14423529), (2076, 10115924), (2184, 9615686), (2249, 9337776), (2422, 8670792), (2768, 7586943), (3633, 5780528), (4152, 5057962), (4368, 4807843), (4498, 4668888), (4844, 4335396), (6747, 3112592), (7266, 2890264), (8304, 2528981), (8996, 2334444), (9688, 2167698), (13494, 1556296), (14532, 1445132), (15743, 1333968), (17992, 1167222), (19376, 1083849), (26988, 778148), (27791, 755664), (29064, 722566), (31486, 666984), (35984, 583611), (47229, 444656), (53976, 389074), (55582, 377832), (58128, 361283), (62972, 333492), (83373, 251888), (94458, 222328), (107952, 194537), (111164, 188916), (125944, 166746)]