21842178

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1087}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 46531584

約数和(自身を除く): 24689406

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 197, 394, 591, 1087, 1182, 2174, 3261, 3349, 6522, 6698, 10047, 18479, 20094, 36958, 55437, 110874, 214139, 428278, 642417, 1284834, 3640363, 7280726, 10921089, 21842178]

約数ペア:

[(1, 21842178), (2, 10921089), (3, 7280726), (6, 3640363), (17, 1284834), (34, 642417), (51, 428278), (102, 214139), (197, 110874), (394, 55437), (591, 36958), (1087, 20094), (1182, 18479), (2174, 10047), (3261, 6698), (3349, 6522)]