21110848

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 46232064

約数和(自身を除く): 25121216

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 157, 176, 191, 314, 352, 382, 628, 704, 764, 1256, 1528, 1727, 2101, 2512, 3056, 3454, 4202, 5024, 6112, 6908, 8404, 10048, 12224, 13816, 16808, 27632, 29987, 33616, 55264, 59974, 67232, 110528, 119948, 134464, 239896, 329857, 479792, 659714, 959584, 1319428, 1919168, 2638856, 5277712, 10555424, 21110848]

約数ペア:

[(1, 21110848), (2, 10555424), (4, 5277712), (8, 2638856), (11, 1919168), (16, 1319428), (22, 959584), (32, 659714), (44, 479792), (64, 329857), (88, 239896), (157, 134464), (176, 119948), (191, 110528), (314, 67232), (352, 59974), (382, 55264), (628, 33616), (704, 29987), (764, 27632), (1256, 16808), (1528, 13816), (1727, 12224), (2101, 10048), (2512, 8404), (3056, 6908), (3454, 6112), (4202, 5024)]