21077308

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39619}}^1$

素因数の和:39649

約数の個数: 24

約数和(自身を含む): 44374400

約数和(自身を除く): 23297092

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39619, 79238, 158476, 277333, 554666, 752761, 1109332, 1505522, 3011044, 5269327, 10538654, 21077308]

約数ペア:

[(1, 21077308), (2, 10538654), (4, 5269327), (7, 3011044), (14, 1505522), (19, 1109332), (28, 752761), (38, 554666), (76, 277333), (133, 158476), (266, 79238), (532, 39619)]