21190206

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{691}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 44841600

約数和(自身を除く): 23651394

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 269, 538, 691, 807, 1382, 1614, 2073, 4146, 5111, 10222, 13129, 15333, 26258, 30666, 39387, 78774, 185879, 371758, 557637, 1115274, 3531701, 7063402, 10595103, 21190206]

約数ペア:

[(1, 21190206), (2, 10595103), (3, 7063402), (6, 3531701), (19, 1115274), (38, 557637), (57, 371758), (114, 185879), (269, 78774), (538, 39387), (691, 30666), (807, 26258), (1382, 15333), (1614, 13129), (2073, 10222), (4146, 5111)]