21176409

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{607}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 29329920

約数和(自身を除く): 8153511

約数列:

[1, 3, 29, 87, 401, 607, 1203, 1821, 11629, 17603, 34887, 52809, 243407, 730221, 7058803, 21176409]

約数ペア:

[(1, 21176409), (3, 7058803), (29, 730221), (87, 243407), (401, 52809), (607, 34887), (1203, 17603), (1821, 11629)]