21766552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1723

約数の個数: 32

約数和(自身を含む): 43470000

約数和(自身を除く): 21703448

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1609, 1691, 3218, 3382, 6436, 6764, 12872, 13528, 30571, 61142, 122284, 143201, 244568, 286402, 572804, 1145608, 2720819, 5441638, 10883276, 21766552]

約数ペア:

[(1, 21766552), (2, 10883276), (4, 5441638), (8, 2720819), (19, 1145608), (38, 572804), (76, 286402), (89, 244568), (152, 143201), (178, 122284), (356, 61142), (712, 30571), (1609, 13528), (1691, 12872), (3218, 6764), (3382, 6436)]