21072114

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4079}}^1$

素因数の和:4135

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 32392206

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 4079, 5166, 8158, 12237, 24474, 28553, 36711, 57106, 73422, 85659, 167239, 171318, 256977, 334478, 501717, 513954, 1003434, 1170673, 1505151, 2341346, 3010302, 3512019, 7024038, 10536057, 21072114]

約数ペア:

[(1, 21072114), (2, 10536057), (3, 7024038), (6, 3512019), (7, 3010302), (9, 2341346), (14, 1505151), (18, 1170673), (21, 1003434), (41, 513954), (42, 501717), (63, 334478), (82, 256977), (123, 171318), (126, 167239), (246, 85659), (287, 73422), (369, 57106), (574, 36711), (738, 28553), (861, 24474), (1722, 12237), (2583, 8158), (4079, 5166)]