21368679

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 10080921

約数列:

[1, 3, 23, 29, 59, 69, 87, 177, 181, 543, 667, 1357, 1711, 2001, 4071, 4163, 5133, 5249, 10679, 12489, 15747, 32037, 39353, 118059, 120727, 245617, 309691, 362181, 736851, 929073, 7122893, 21368679]

約数ペア:

[(1, 21368679), (3, 7122893), (23, 929073), (29, 736851), (59, 362181), (69, 309691), (87, 245617), (177, 120727), (181, 118059), (543, 39353), (667, 32037), (1357, 15747), (1711, 12489), (2001, 10679), (4071, 5249), (4163, 5133)]