21347536

素因数分解:

$2^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 60

約数和(自身を含む): 48903492

約数和(自身を除く): 27555956

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 98, 112, 146, 196, 292, 373, 392, 511, 584, 746, 784, 1022, 1168, 1492, 2044, 2611, 2984, 3577, 4088, 5222, 5968, 7154, 8176, 10444, 14308, 18277, 20888, 27229, 28616, 36554, 41776, 54458, 57232, 73108, 108916, 146216, 190603, 217832, 292432, 381206, 435664, 762412, 1334221, 1524824, 2668442, 3049648, 5336884, 10673768, 21347536]

約数ペア:

[(1, 21347536), (2, 10673768), (4, 5336884), (7, 3049648), (8, 2668442), (14, 1524824), (16, 1334221), (28, 762412), (49, 435664), (56, 381206), (73, 292432), (98, 217832), (112, 190603), (146, 146216), (196, 108916), (292, 73108), (373, 57232), (392, 54458), (511, 41776), (584, 36554), (746, 28616), (784, 27229), (1022, 20888), (1168, 18277), (1492, 14308), (2044, 10444), (2611, 8176), (2984, 7154), (3577, 5968), (4088, 5222)]