21016514

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{599}}^1$

素因数の和:985

約数の個数: 16

約数和(自身を含む): 32270400

約数和(自身を除く): 11253886

約数列:

[1, 2, 53, 106, 331, 599, 662, 1198, 17543, 31747, 35086, 63494, 198269, 396538, 10508257, 21016514]

約数ペア:

[(1, 21016514), (2, 10508257), (53, 396538), (106, 198269), (331, 63494), (599, 35086), (662, 31747), (1198, 17543)]