21096285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{607}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 38756352

約数和(自身を除く): 17660067

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 331, 607, 993, 1655, 1821, 2317, 3035, 4249, 4965, 6951, 9105, 11585, 12747, 21245, 34755, 63735, 200917, 602751, 1004585, 1406419, 3013755, 4219257, 7032095, 21096285]

約数ペア:

[(1, 21096285), (3, 7032095), (5, 4219257), (7, 3013755), (15, 1406419), (21, 1004585), (35, 602751), (105, 200917), (331, 63735), (607, 34755), (993, 21245), (1655, 12747), (1821, 11585), (2317, 9105), (3035, 6951), (4249, 4965)]