21236489260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{942169}}^1$

素因数の和:942215

約数の個数: 72

約数和(自身を含む): 54133319520

約数和(自身を除く): 32896830260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 22540, 942169, 1884338, 3768676, 4710845, 6595183, 9421690, 13190366, 18843380, 21669887, 26380732, 32975915, 43339774, 46166281, 65951830, 86679548, 92332562, 108349435, 131903660, 151689209, 184665124, 216698870, 230831405, 303378418, 433397740, 461662810, 606756836, 758446045, 923325620, 1061824463, 1516892090, 2123648926, 3033784180, 4247297852, 5309122315, 10618244630, 21236489260]

約数ペア:

[(1, 21236489260), (2, 10618244630), (4, 5309122315), (5, 4247297852), (7, 3033784180), (10, 2123648926), (14, 1516892090), (20, 1061824463), (23, 923325620), (28, 758446045), (35, 606756836), (46, 461662810), (49, 433397740), (70, 303378418), (92, 230831405), (98, 216698870), (115, 184665124), (140, 151689209), (161, 131903660), (196, 108349435), (230, 92332562), (245, 86679548), (322, 65951830), (460, 46166281), (490, 43339774), (644, 32975915), (805, 26380732), (980, 21669887), (1127, 18843380), (1610, 13190366), (2254, 9421690), (3220, 6595183), (4508, 4710845), (5635, 3768676), (11270, 1884338), (22540, 942169)]