21469784

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2539}}^1$

素因数の和:2703

約数の個数: 32

約数和(自身を含む): 46329600

約数和(自身を除く): 24859816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2539, 4228, 5078, 8456, 10156, 17773, 20312, 35546, 71092, 142184, 383389, 766778, 1533556, 2683723, 3067112, 5367446, 10734892, 21469784]

約数ペア:

[(1, 21469784), (2, 10734892), (4, 5367446), (7, 3067112), (8, 2683723), (14, 1533556), (28, 766778), (56, 383389), (151, 142184), (302, 71092), (604, 35546), (1057, 20312), (1208, 17773), (2114, 10156), (2539, 8456), (4228, 5078)]