21052218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1039}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 46126080

約数和(自身を除く): 25073862

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 307, 614, 921, 1039, 1842, 2078, 3117, 3377, 6234, 6754, 10131, 11429, 20262, 22858, 34287, 68574, 318973, 637946, 956919, 1913838, 3508703, 7017406, 10526109, 21052218]

約数ペア:

[(1, 21052218), (2, 10526109), (3, 7017406), (6, 3508703), (11, 1913838), (22, 956919), (33, 637946), (66, 318973), (307, 68574), (614, 34287), (921, 22858), (1039, 20262), (1842, 11429), (2078, 10131), (3117, 6754), (3377, 6234)]