21200368

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2593}}^1$

素因数の和:2681

約数の個数: 40

約数和(自身を含む): 47605088

約数和(自身を除く): 26404720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2593, 4088, 5186, 8176, 10372, 18151, 20744, 36302, 41488, 72604, 145208, 189289, 290416, 378578, 757156, 1325023, 1514312, 2650046, 3028624, 5300092, 10600184, 21200368]

約数ペア:

[(1, 21200368), (2, 10600184), (4, 5300092), (7, 3028624), (8, 2650046), (14, 1514312), (16, 1325023), (28, 757156), (56, 378578), (73, 290416), (112, 189289), (146, 145208), (292, 72604), (511, 41488), (584, 36302), (1022, 20744), (1168, 18151), (2044, 10372), (2593, 8176), (4088, 5186)]