21970611

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2377}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 34623680

約数和(自身を除く): 12653069

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 2377, 3081, 7131, 9243, 21393, 30901, 92703, 187783, 278109, 563349, 1690047, 2441179, 7323537, 21970611]

約数ペア:

[(1, 21970611), (3, 7323537), (9, 2441179), (13, 1690047), (39, 563349), (79, 278109), (117, 187783), (237, 92703), (711, 30901), (1027, 21393), (2377, 9243), (3081, 7131)]