21035190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63743}}^1$

素因数の和:63764

約数の個数: 32

約数和(自身を含む): 55074816

約数和(自身を除く): 34039626

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63743, 127486, 191229, 318715, 382458, 637430, 701173, 956145, 1402346, 1912290, 2103519, 3505865, 4207038, 7011730, 10517595, 21035190]

約数ペア:

[(1, 21035190), (2, 10517595), (3, 7011730), (5, 4207038), (6, 3505865), (10, 2103519), (11, 1912290), (15, 1402346), (22, 956145), (30, 701173), (33, 637430), (55, 382458), (66, 318715), (110, 191229), (165, 127486), (330, 63743)]