21440322

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20897}}^1$

素因数の和:20927

約数の個数: 32

約数和(自身を含む): 50155200

約数和(自身を除く): 28714878

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20897, 41794, 62691, 125382, 188073, 376146, 397043, 564219, 794086, 1128438, 1191129, 2382258, 3573387, 7146774, 10720161, 21440322]

約数ペア:

[(1, 21440322), (2, 10720161), (3, 7146774), (6, 3573387), (9, 2382258), (18, 1191129), (19, 1128438), (27, 794086), (38, 564219), (54, 397043), (57, 376146), (114, 188073), (171, 125382), (342, 62691), (513, 41794), (1026, 20897)]