21709358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12491}}^1$

素因数の和:12583

約数の個数: 16

約数和(自身を含む): 35976960

約数和(自身を除く): 14267602

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12491, 24982, 137401, 274802, 986789, 1973578, 10854679, 21709358]

約数ペア:

[(1, 21709358), (2, 10854679), (11, 1973578), (22, 986789), (79, 274802), (158, 137401), (869, 24982), (1738, 12491)]