21577914

素因数分解:

$2^1\times 3^5\times {\mathrm{29}}^1\times {\mathrm{1531}}^1$

素因数の和:1577

約数の個数: 48

約数和(自身を含む): 50188320

約数和(自身を除く): 28610406

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 243, 261, 486, 522, 783, 1531, 1566, 2349, 3062, 4593, 4698, 7047, 9186, 13779, 14094, 27558, 41337, 44399, 82674, 88798, 124011, 133197, 248022, 266394, 372033, 399591, 744066, 799182, 1198773, 2397546, 3596319, 7192638, 10788957, 21577914]

約数ペア:

[(1, 21577914), (2, 10788957), (3, 7192638), (6, 3596319), (9, 2397546), (18, 1198773), (27, 799182), (29, 744066), (54, 399591), (58, 372033), (81, 266394), (87, 248022), (162, 133197), (174, 124011), (243, 88798), (261, 82674), (486, 44399), (522, 41337), (783, 27558), (1531, 14094), (1566, 13779), (2349, 9186), (3062, 7047), (4593, 4698)]