21537438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{659}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25032162

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 419, 659, 838, 1257, 1318, 1977, 2514, 3954, 5447, 8567, 10894, 16341, 17134, 25701, 32682, 51402, 276121, 552242, 828363, 1656726, 3589573, 7179146, 10768719, 21537438]

約数ペア:

[(1, 21537438), (2, 10768719), (3, 7179146), (6, 3589573), (13, 1656726), (26, 828363), (39, 552242), (78, 276121), (419, 51402), (659, 32682), (838, 25701), (1257, 17134), (1318, 16341), (1977, 10894), (2514, 8567), (3954, 5447)]