21629545

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 31385088

約数和(自身を除く): 9755543

約数列:

[1, 5, 7, 23, 35, 97, 115, 161, 277, 485, 679, 805, 1385, 1939, 2231, 3395, 6371, 9695, 11155, 15617, 26869, 31855, 44597, 78085, 134345, 188083, 222985, 617987, 940415, 3089935, 4325909, 21629545]

約数ペア:

[(1, 21629545), (5, 4325909), (7, 3089935), (23, 940415), (35, 617987), (97, 222985), (115, 188083), (161, 134345), (277, 78085), (485, 44597), (679, 31855), (805, 26869), (1385, 15617), (1939, 11155), (2231, 9695), (3395, 6371)]