21085079

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 23119200

約数和(自身を除く): 2034121

約数列:

[1, 19, 37, 89, 337, 703, 1691, 3293, 6403, 12469, 29993, 62567, 236911, 569867, 1109741, 21085079]

約数ペア:

[(1, 21085079), (19, 1109741), (37, 569867), (89, 236911), (337, 62567), (703, 29993), (1691, 12469), (3293, 6403)]