21391872120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{114493}}^1$

素因数の和:114686

約数の個数: 128

約数和(自身を含む): 71719041600

約数和(自身を除く): 50327169480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 173, 180, 216, 270, 346, 360, 519, 540, 692, 865, 1038, 1080, 1384, 1557, 1730, 2076, 2595, 3114, 3460, 4152, 4671, 5190, 6228, 6920, 7785, 9342, 10380, 12456, 15570, 18684, 20760, 23355, 31140, 37368, 46710, 62280, 93420, 114493, 186840, 228986, 343479, 457972, 572465, 686958, 915944, 1030437, 1144930, 1373916, 1717395, 2060874, 2289860, 2747832, 3091311, 3434790, 4121748, 4579720, 5152185, 6182622, 6869580, 8243496, 10304370, 12365244, 13739160, 15456555, 19807289, 20608740, 24730488, 30913110, 39614578, 41217480, 59421867, 61826220, 79229156, 99036445, 118843734, 123652440, 158458312, 178265601, 198072890, 237687468, 297109335, 356531202, 396145780, 475374936, 534796803, 594218670, 713062404, 792291560, 891328005, 1069593606, 1188437340, 1426124808, 1782656010, 2139187212, 2376874680, 2673984015, 3565312020, 4278374424, 5347968030, 7130624040, 10695936060, 21391872120]

約数ペア:

[(1, 21391872120), (2, 10695936060), (3, 7130624040), (4, 5347968030), (5, 4278374424), (6, 3565312020), (8, 2673984015), (9, 2376874680), (10, 2139187212), (12, 1782656010), (15, 1426124808), (18, 1188437340), (20, 1069593606), (24, 891328005), (27, 792291560), (30, 713062404), (36, 594218670), (40, 534796803), (45, 475374936), (54, 396145780), (60, 356531202), (72, 297109335), (90, 237687468), (108, 198072890), (120, 178265601), (135, 158458312), (173, 123652440), (180, 118843734), (216, 99036445), (270, 79229156), (346, 61826220), (360, 59421867), (519, 41217480), (540, 39614578), (692, 30913110), (865, 24730488), (1038, 20608740), (1080, 19807289), (1384, 15456555), (1557, 13739160), (1730, 12365244), (2076, 10304370), (2595, 8243496), (3114, 6869580), (3460, 6182622), (4152, 5152185), (4671, 4579720), (5190, 4121748), (6228, 3434790), (6920, 3091311), (7785, 2747832), (9342, 2289860), (10380, 2060874), (12456, 1717395), (15570, 1373916), (18684, 1144930), (20760, 1030437), (23355, 915944), (31140, 686958), (37368, 572465), (46710, 457972), (62280, 343479), (93420, 228986), (114493, 186840)]