21121590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4373}}^1$

素因数の和:4413

約数の個数: 64

約数和(自身を含む): 60466176

約数和(自身を除く): 39344586

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4373, 4830, 8746, 13119, 21865, 26238, 30611, 43730, 61222, 65595, 91833, 100579, 131190, 153055, 183666, 201158, 301737, 306110, 459165, 502895, 603474, 704053, 918330, 1005790, 1408106, 1508685, 2112159, 3017370, 3520265, 4224318, 7040530, 10560795, 21121590]

約数ペア:

[(1, 21121590), (2, 10560795), (3, 7040530), (5, 4224318), (6, 3520265), (7, 3017370), (10, 2112159), (14, 1508685), (15, 1408106), (21, 1005790), (23, 918330), (30, 704053), (35, 603474), (42, 502895), (46, 459165), (69, 306110), (70, 301737), (105, 201158), (115, 183666), (138, 153055), (161, 131190), (210, 100579), (230, 91833), (322, 65595), (345, 61222), (483, 43730), (690, 30611), (805, 26238), (966, 21865), (1610, 13119), (2415, 8746), (4373, 4830)]