21509044

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 38304000

約数和(自身を除く): 16794956

約数列:

[1, 2, 4, 149, 151, 239, 298, 302, 478, 596, 604, 956, 22499, 35611, 36089, 44998, 71222, 72178, 89996, 142444, 144356, 5377261, 10754522, 21509044]

約数ペア:

[(1, 21509044), (2, 10754522), (4, 5377261), (149, 144356), (151, 142444), (239, 89996), (298, 72178), (302, 71222), (478, 44998), (596, 36089), (604, 35611), (956, 22499)]