21096555

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 36019200

約数和(自身を除く): 14922645

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 237, 285, 395, 937, 1185, 1501, 2811, 4503, 4685, 7505, 14055, 17803, 22515, 53409, 74023, 89015, 222069, 267045, 370115, 1110345, 1406437, 4219311, 7032185, 21096555]

約数ペア:

[(1, 21096555), (3, 7032185), (5, 4219311), (15, 1406437), (19, 1110345), (57, 370115), (79, 267045), (95, 222069), (237, 89015), (285, 74023), (395, 53409), (937, 22515), (1185, 17803), (1501, 14055), (2811, 7505), (4503, 4685)]