21100893

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 33644160

約数和(自身を除く): 12543267

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 187, 319, 493, 561, 957, 1297, 1479, 3891, 5423, 14267, 16269, 22049, 37613, 42801, 66147, 112839, 242539, 413743, 639421, 727617, 1241229, 1918263, 7033631, 21100893]

約数ペア:

[(1, 21100893), (3, 7033631), (11, 1918263), (17, 1241229), (29, 727617), (33, 639421), (51, 413743), (87, 242539), (187, 112839), (319, 66147), (493, 42801), (561, 37613), (957, 22049), (1297, 16269), (1479, 14267), (3891, 5423)]