21580823026

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90675727}}^1$

素因数の和:90675753

約数の個数: 16

約数和(自身を含む): 39171914496

約数和(自身を除く): 17591091470

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90675727, 181351454, 634730089, 1269460178, 1541487359, 3082974718, 10790411513, 21580823026]

約数ペア:

[(1, 21580823026), (2, 10790411513), (7, 3082974718), (14, 1541487359), (17, 1269460178), (34, 634730089), (119, 181351454), (238, 90675727)]