21819774

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 45684000

約数和(自身を除く): 23864226

約数列:

[1, 2, 3, 6, 29, 58, 87, 89, 174, 178, 267, 534, 1409, 2581, 2818, 4227, 5162, 7743, 8454, 15486, 40861, 81722, 122583, 125401, 245166, 250802, 376203, 752406, 3636629, 7273258, 10909887, 21819774]

約数ペア:

[(1, 21819774), (2, 10909887), (3, 7273258), (6, 3636629), (29, 752406), (58, 376203), (87, 250802), (89, 245166), (174, 125401), (178, 122583), (267, 81722), (534, 40861), (1409, 15486), (2581, 8454), (2818, 7743), (4227, 5162)]