21348546

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 43547328

約数和(自身を除く): 22198782

約数列:

[1, 2, 3, 6, 131, 157, 173, 262, 314, 346, 393, 471, 519, 786, 942, 1038, 20567, 22663, 27161, 41134, 45326, 54322, 61701, 67989, 81483, 123402, 135978, 162966, 3558091, 7116182, 10674273, 21348546]

約数ペア:

[(1, 21348546), (2, 10674273), (3, 7116182), (6, 3558091), (131, 162966), (157, 135978), (173, 123402), (262, 81483), (314, 67989), (346, 61701), (393, 54322), (471, 45326), (519, 41134), (786, 27161), (942, 22663), (1038, 20567)]