21305655453

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1087}}^1\times {\mathrm{8387}}^1$

素因数の和:9537

約数の個数: 32

約数和(自身を含む): 30663843840

約数和(自身を除く): 9358188387

約数列:

[1, 3, 19, 41, 57, 123, 779, 1087, 2337, 3261, 8387, 20653, 25161, 44567, 61959, 133701, 159353, 343867, 478059, 846773, 1031601, 2540319, 6533473, 9116669, 19600419, 27350007, 173216711, 373783429, 519650133, 1121350287, 7101885151, 21305655453]

約数ペア:

[(1, 21305655453), (3, 7101885151), (19, 1121350287), (41, 519650133), (57, 373783429), (123, 173216711), (779, 27350007), (1087, 19600419), (2337, 9116669), (3261, 6533473), (8387, 2540319), (20653, 1031601), (25161, 846773), (44567, 478059), (61959, 343867), (133701, 159353)]