21343218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11897}}^1$

素因数の和:11938

約数の個数: 32

約数和(自身を含む): 47972736

約数和(自身を除く): 26629518

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11897, 23794, 35691, 71382, 154661, 273631, 309322, 463983, 547262, 820893, 927966, 1641786, 3557203, 7114406, 10671609, 21343218]

約数ペア:

[(1, 21343218), (2, 10671609), (3, 7114406), (6, 3557203), (13, 1641786), (23, 927966), (26, 820893), (39, 547262), (46, 463983), (69, 309322), (78, 273631), (138, 154661), (299, 71382), (598, 35691), (897, 23794), (1794, 11897)]