21034972

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 23478308

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 367, 623, 644, 734, 1246, 1468, 2047, 2492, 2569, 4094, 5138, 8188, 8441, 10276, 14329, 16882, 28658, 32663, 33764, 57316, 59087, 65326, 118174, 130652, 228641, 236348, 457282, 751249, 914564, 1502498, 3004996, 5258743, 10517486, 21034972]

約数ペア:

[(1, 21034972), (2, 10517486), (4, 5258743), (7, 3004996), (14, 1502498), (23, 914564), (28, 751249), (46, 457282), (89, 236348), (92, 228641), (161, 130652), (178, 118174), (322, 65326), (356, 59087), (367, 57316), (623, 33764), (644, 32663), (734, 28658), (1246, 16882), (1468, 14329), (2047, 10276), (2492, 8441), (2569, 8188), (4094, 5138)]