21271899348

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28137433}}^1$

素因数の和:28137453

約数の個数: 48

約数和(自身を含む): 63027852160

約数和(自身を除く): 41755952812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28137433, 56274866, 84412299, 112549732, 168824598, 196962031, 253236897, 337649196, 393924062, 506473794, 590886093, 759710691, 787848124, 1012947588, 1181772186, 1519421382, 1772658279, 2363544372, 3038842764, 3545316558, 5317974837, 7090633116, 10635949674, 21271899348]

約数ペア:

[(1, 21271899348), (2, 10635949674), (3, 7090633116), (4, 5317974837), (6, 3545316558), (7, 3038842764), (9, 2363544372), (12, 1772658279), (14, 1519421382), (18, 1181772186), (21, 1012947588), (27, 787848124), (28, 759710691), (36, 590886093), (42, 506473794), (54, 393924062), (63, 337649196), (84, 253236897), (108, 196962031), (126, 168824598), (189, 112549732), (252, 84412299), (378, 56274866), (756, 28137433)]