21894927652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{34847}}^1$

素因数の和:35188

約数の個数: 48

約数和(自身を含む): 42374610432

約数和(自身を除く): 20479682780

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 281, 559, 562, 1118, 1124, 2236, 3653, 7306, 12083, 14612, 24166, 34847, 48332, 69694, 139388, 157079, 314158, 453011, 628316, 906022, 1498421, 1812044, 2996842, 5993684, 9792007, 19479473, 19584014, 38958946, 39168028, 77917892, 127296091, 254592182, 421056301, 509184364, 842112602, 1684225204, 5473731913, 10947463826, 21894927652]

約数ペア:

[(1, 21894927652), (2, 10947463826), (4, 5473731913), (13, 1684225204), (26, 842112602), (43, 509184364), (52, 421056301), (86, 254592182), (172, 127296091), (281, 77917892), (559, 39168028), (562, 38958946), (1118, 19584014), (1124, 19479473), (2236, 9792007), (3653, 5993684), (7306, 2996842), (12083, 1812044), (14612, 1498421), (24166, 906022), (34847, 628316), (48332, 453011), (69694, 314158), (139388, 157079)]