21077742

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71693}}^1$

素因数の和:71712

約数の個数: 24

約数和(自身を含む): 49038696

約数和(自身を除く): 27960954

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71693, 143386, 215079, 430158, 501851, 1003702, 1505553, 3011106, 3512957, 7025914, 10538871, 21077742]

約数ペア:

[(1, 21077742), (2, 10538871), (3, 7025914), (6, 3512957), (7, 3011106), (14, 1505553), (21, 1003702), (42, 501851), (49, 430158), (98, 215079), (147, 143386), (294, 71693)]