21398234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3302

約数の個数: 32

約数和(自身を含む): 39360384

約数和(自身を除く): 17962150

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 253, 286, 299, 506, 598, 3253, 3289, 6506, 6578, 35783, 42289, 71566, 74819, 84578, 149638, 465179, 823009, 930358, 972647, 1646018, 1945294, 10699117, 21398234]

約数ペア:

[(1, 21398234), (2, 10699117), (11, 1945294), (13, 1646018), (22, 972647), (23, 930358), (26, 823009), (46, 465179), (143, 149638), (253, 84578), (286, 74819), (299, 71566), (506, 42289), (598, 35783), (3253, 6578), (3289, 6506)]