21000865896

素因数分解:

$2^3\times 3^3\times {\mathrm{167}}^1\times {\mathrm{577}}^1\times {\mathrm{1009}}^1$

素因数の和:1768

約数の個数: 128

約数和(自身を含む): 58845024000

約数和(自身を除く): 37844158104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 167, 216, 334, 501, 577, 668, 1002, 1009, 1154, 1336, 1503, 1731, 2004, 2018, 2308, 3006, 3027, 3462, 4008, 4036, 4509, 4616, 5193, 6012, 6054, 6924, 8072, 9018, 9081, 10386, 12024, 12108, 13848, 15579, 18036, 18162, 20772, 24216, 27243, 31158, 36072, 36324, 41544, 54486, 62316, 72648, 96359, 108972, 124632, 168503, 192718, 217944, 289077, 337006, 385436, 505509, 578154, 582193, 674012, 770872, 867231, 1011018, 1156308, 1164386, 1348024, 1516527, 1734462, 1746579, 2022036, 2312616, 2328772, 2601693, 3033054, 3468924, 3493158, 4044072, 4549581, 4657544, 5203386, 5239737, 6066108, 6937848, 6986316, 9099162, 10406772, 10479474, 12132216, 13972632, 15719211, 18198324, 20813544, 20958948, 31438422, 36396648, 41917896, 62876844, 97226231, 125753688, 194452462, 291678693, 388904924, 583357386, 777809848, 875036079, 1166714772, 1750072158, 2333429544, 2625108237, 3500144316, 5250216474, 7000288632, 10500432948, 21000865896]

約数ペア:

[(1, 21000865896), (2, 10500432948), (3, 7000288632), (4, 5250216474), (6, 3500144316), (8, 2625108237), (9, 2333429544), (12, 1750072158), (18, 1166714772), (24, 875036079), (27, 777809848), (36, 583357386), (54, 388904924), (72, 291678693), (108, 194452462), (167, 125753688), (216, 97226231), (334, 62876844), (501, 41917896), (577, 36396648), (668, 31438422), (1002, 20958948), (1009, 20813544), (1154, 18198324), (1336, 15719211), (1503, 13972632), (1731, 12132216), (2004, 10479474), (2018, 10406772), (2308, 9099162), (3006, 6986316), (3027, 6937848), (3462, 6066108), (4008, 5239737), (4036, 5203386), (4509, 4657544), (4616, 4549581), (5193, 4044072), (6012, 3493158), (6054, 3468924), (6924, 3033054), (8072, 2601693), (9018, 2328772), (9081, 2312616), (10386, 2022036), (12024, 1746579), (12108, 1734462), (13848, 1516527), (15579, 1348024), (18036, 1164386), (18162, 1156308), (20772, 1011018), (24216, 867231), (27243, 770872), (31158, 674012), (36072, 582193), (36324, 578154), (41544, 505509), (54486, 385436), (62316, 337006), (72648, 289077), (96359, 217944), (108972, 192718), (124632, 168503)]