21056922

素因数分解:

$2^1\times 3^5\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 48633312

約数和(自身を除く): 27576390

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 243, 333, 486, 666, 999, 1171, 1998, 2342, 2997, 3513, 5994, 7026, 8991, 10539, 17982, 21078, 31617, 43327, 63234, 86654, 94851, 129981, 189702, 259962, 284553, 389943, 569106, 779886, 1169829, 2339658, 3509487, 7018974, 10528461, 21056922]

約数ペア:

[(1, 21056922), (2, 10528461), (3, 7018974), (6, 3509487), (9, 2339658), (18, 1169829), (27, 779886), (37, 569106), (54, 389943), (74, 284553), (81, 259962), (111, 189702), (162, 129981), (222, 94851), (243, 86654), (333, 63234), (486, 43327), (666, 31617), (999, 21078), (1171, 17982), (1998, 10539), (2342, 8991), (2997, 7026), (3513, 5994)]