21411738

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 28121382

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 167, 306, 334, 419, 501, 838, 1002, 1257, 1503, 2514, 2839, 3006, 3771, 5678, 7123, 7542, 8517, 14246, 17034, 21369, 25551, 42738, 51102, 64107, 69973, 128214, 139946, 209919, 419838, 629757, 1189541, 1259514, 2379082, 3568623, 7137246, 10705869, 21411738]

約数ペア:

[(1, 21411738), (2, 10705869), (3, 7137246), (6, 3568623), (9, 2379082), (17, 1259514), (18, 1189541), (34, 629757), (51, 419838), (102, 209919), (153, 139946), (167, 128214), (306, 69973), (334, 64107), (419, 51102), (501, 42738), (838, 25551), (1002, 21369), (1257, 17034), (1503, 14246), (2514, 8517), (2839, 7542), (3006, 7123), (3771, 5678)]