21719276

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 38678640

約数和(自身を除く): 16959364

約数列:

[1, 2, 4, 131, 181, 229, 262, 362, 458, 524, 724, 916, 23711, 29999, 41449, 47422, 59998, 82898, 94844, 119996, 165796, 5429819, 10859638, 21719276]

約数ペア:

[(1, 21719276), (2, 10859638), (4, 5429819), (131, 165796), (181, 119996), (229, 94844), (262, 82898), (362, 59998), (458, 47422), (524, 41449), (724, 29999), (916, 23711)]