21820952

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{277}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 42200400

約数和(自身を除く): 20379448

約数列:

[1, 2, 4, 8, 43, 86, 172, 229, 277, 344, 458, 554, 916, 1108, 1832, 2216, 9847, 11911, 19694, 23822, 39388, 47644, 63433, 78776, 95288, 126866, 253732, 507464, 2727619, 5455238, 10910476, 21820952]

約数ペア:

[(1, 21820952), (2, 10910476), (4, 5455238), (8, 2727619), (43, 507464), (86, 253732), (172, 126866), (229, 95288), (277, 78776), (344, 63433), (458, 47644), (554, 39388), (916, 23822), (1108, 19694), (1832, 11911), (2216, 9847)]