21397502

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17309698

約数列:

[1, 2, 7, 14, 31, 47, 62, 94, 217, 329, 434, 658, 1049, 1457, 2098, 2914, 7343, 10199, 14686, 20398, 32519, 49303, 65038, 98606, 227633, 345121, 455266, 690242, 1528393, 3056786, 10698751, 21397502]

約数ペア:

[(1, 21397502), (2, 10698751), (7, 3056786), (14, 1528393), (31, 690242), (47, 455266), (62, 345121), (94, 227633), (217, 98606), (329, 65038), (434, 49303), (658, 32519), (1049, 20398), (1457, 14686), (2098, 10199), (2914, 7343)]