21722464

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 45985968

約数和(自身を除く): 24263504

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 73, 136, 146, 272, 292, 544, 547, 584, 1094, 1168, 1241, 2188, 2336, 2482, 4376, 4964, 8752, 9299, 9928, 17504, 18598, 19856, 37196, 39712, 39931, 74392, 79862, 148784, 159724, 297568, 319448, 638896, 678827, 1277792, 1357654, 2715308, 5430616, 10861232, 21722464]

約数ペア:

[(1, 21722464), (2, 10861232), (4, 5430616), (8, 2715308), (16, 1357654), (17, 1277792), (32, 678827), (34, 638896), (68, 319448), (73, 297568), (136, 159724), (146, 148784), (272, 79862), (292, 74392), (544, 39931), (547, 39712), (584, 37196), (1094, 19856), (1168, 18598), (1241, 17504), (2188, 9928), (2336, 9299), (2482, 8752), (4376, 4964)]