21779873

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 24541056

約数和(自身を除く): 2761183

約数列:

[1, 17, 23, 53, 391, 901, 1051, 1219, 17867, 20723, 24173, 55703, 410941, 946951, 1281169, 21779873]

約数ペア:

[(1, 21779873), (17, 1281169), (23, 946951), (53, 410941), (391, 55703), (901, 24173), (1051, 20723), (1219, 17867)]