21496272

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63977}}^1$

素因数の和:63995

約数の個数: 40

約数和(自身を含む): 63466176

約数和(自身を除く): 41969904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63977, 127954, 191931, 255908, 383862, 447839, 511816, 767724, 895678, 1023632, 1343517, 1535448, 1791356, 2687034, 3070896, 3582712, 5374068, 7165424, 10748136, 21496272]

約数ペア:

[(1, 21496272), (2, 10748136), (3, 7165424), (4, 5374068), (6, 3582712), (7, 3070896), (8, 2687034), (12, 1791356), (14, 1535448), (16, 1343517), (21, 1023632), (24, 895678), (28, 767724), (42, 511816), (48, 447839), (56, 383862), (84, 255908), (112, 191931), (168, 127954), (336, 63977)]