21767884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 39238416

約数和(自身を除く): 17470532

約数列:

[1, 2, 4, 41, 82, 164, 331, 401, 662, 802, 1324, 1604, 13571, 16441, 27142, 32882, 54284, 65764, 132731, 265462, 530924, 5441971, 10883942, 21767884]

約数ペア:

[(1, 21767884), (2, 10883942), (4, 5441971), (41, 530924), (82, 265462), (164, 132731), (331, 65764), (401, 54284), (662, 32882), (802, 27142), (1324, 16441), (1604, 13571)]