21574462

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 22938818

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 38, 91, 119, 133, 182, 221, 238, 247, 266, 323, 367, 442, 494, 646, 734, 1547, 1729, 2261, 2569, 3094, 3458, 4199, 4522, 4771, 5138, 6239, 6973, 8398, 9542, 12478, 13946, 29393, 33397, 43673, 48811, 58786, 66794, 81107, 87346, 90649, 97622, 118541, 162214, 181298, 237082, 567749, 634543, 829787, 1135498, 1269086, 1541033, 1659574, 3082066, 10787231, 21574462]

約数ペア:

[(1, 21574462), (2, 10787231), (7, 3082066), (13, 1659574), (14, 1541033), (17, 1269086), (19, 1135498), (26, 829787), (34, 634543), (38, 567749), (91, 237082), (119, 181298), (133, 162214), (182, 118541), (221, 97622), (238, 90649), (247, 87346), (266, 81107), (323, 66794), (367, 58786), (442, 48811), (494, 43673), (646, 33397), (734, 29393), (1547, 13946), (1729, 12478), (2261, 9542), (2569, 8398), (3094, 6973), (3458, 6239), (4199, 5138), (4522, 4771)]