21215013122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{33289}}^1$

素因数の和:33882

約数の個数: 32

約数和(自身を含む): 34642905600

約数和(自身を除く): 13427892478

約数列:

[1, 2, 19, 31, 38, 62, 541, 589, 1082, 1178, 10279, 16771, 20558, 33289, 33542, 66578, 318649, 632491, 637298, 1031959, 1264982, 2063918, 18009349, 19607221, 36018698, 39214442, 342177631, 558289819, 684355262, 1116579638, 10607506561, 21215013122]

約数ペア:

[(1, 21215013122), (2, 10607506561), (19, 1116579638), (31, 684355262), (38, 558289819), (62, 342177631), (541, 39214442), (589, 36018698), (1082, 19607221), (1178, 18009349), (10279, 2063918), (16771, 1264982), (20558, 1031959), (33289, 637298), (33542, 632491), (66578, 318649)]