21829972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 18812588

約数列:

[1, 2, 4, 17, 34, 68, 251, 502, 1004, 1279, 2558, 4267, 5116, 8534, 17068, 21743, 43486, 86972, 321029, 642058, 1284116, 5457493, 10914986, 21829972]

約数ペア:

[(1, 21829972), (2, 10914986), (4, 5457493), (17, 1284116), (34, 642058), (68, 321029), (251, 86972), (502, 43486), (1004, 21743), (1279, 17068), (2558, 8534), (4267, 5116)]