21077238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38603}}^1$

素因数の和:38628

約数の個数: 32

約数和(自身を含む): 51883776

約数和(自身を除く): 30806538

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38603, 77206, 115809, 231618, 270221, 501839, 540442, 810663, 1003678, 1505517, 1621326, 3011034, 3512873, 7025746, 10538619, 21077238]

約数ペア:

[(1, 21077238), (2, 10538619), (3, 7025746), (6, 3512873), (7, 3011034), (13, 1621326), (14, 1505517), (21, 1003678), (26, 810663), (39, 540442), (42, 501839), (78, 270221), (91, 231618), (182, 115809), (273, 77206), (546, 38603)]