21155334080

素因数分解:

$2^6\times 5^1\times {\mathrm{4463}}^1\times {\mathrm{14813}}^1$

素因数の和:19293

約数の個数: 56

約数和(自身を含む): 50390828352

約数和(自身を除く): 29235494272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4463, 8926, 14813, 17852, 22315, 29626, 35704, 44630, 59252, 71408, 74065, 89260, 118504, 142816, 148130, 178520, 237008, 285632, 296260, 357040, 474016, 592520, 714080, 948032, 1185040, 1428160, 2370080, 4740160, 66110419, 132220838, 264441676, 330552095, 528883352, 661104190, 1057766704, 1322208380, 2115533408, 2644416760, 4231066816, 5288833520, 10577667040, 21155334080]

約数ペア:

[(1, 21155334080), (2, 10577667040), (4, 5288833520), (5, 4231066816), (8, 2644416760), (10, 2115533408), (16, 1322208380), (20, 1057766704), (32, 661104190), (40, 528883352), (64, 330552095), (80, 264441676), (160, 132220838), (320, 66110419), (4463, 4740160), (8926, 2370080), (14813, 1428160), (17852, 1185040), (22315, 948032), (29626, 714080), (35704, 592520), (44630, 474016), (59252, 357040), (71408, 296260), (74065, 285632), (89260, 237008), (118504, 178520), (142816, 148130)]