21563476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15809}}^1$

素因数の和:15855

約数の個数: 24

約数和(自身を含む): 42497280

約数和(自身を除く): 20933804

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15809, 31618, 63236, 173899, 347798, 490079, 695596, 980158, 1960316, 5390869, 10781738, 21563476]

約数ペア:

[(1, 21563476), (2, 10781738), (4, 5390869), (11, 1960316), (22, 980158), (31, 695596), (44, 490079), (62, 347798), (124, 173899), (341, 63236), (682, 31618), (1364, 15809)]