21115104

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 59076864

約数和(自身を除く): 37961760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 73, 92, 96, 131, 138, 146, 184, 219, 262, 276, 292, 368, 393, 438, 524, 552, 584, 736, 786, 876, 1048, 1104, 1168, 1572, 1679, 1752, 2096, 2208, 2336, 3013, 3144, 3358, 3504, 4192, 5037, 6026, 6288, 6716, 7008, 9039, 9563, 10074, 12052, 12576, 13432, 18078, 19126, 20148, 24104, 26864, 28689, 36156, 38252, 40296, 48208, 53728, 57378, 72312, 76504, 80592, 96416, 114756, 144624, 153008, 161184, 219949, 229512, 289248, 306016, 439898, 459024, 659847, 879796, 918048, 1319694, 1759592, 2639388, 3519184, 5278776, 7038368, 10557552, 21115104]

約数ペア:

[(1, 21115104), (2, 10557552), (3, 7038368), (4, 5278776), (6, 3519184), (8, 2639388), (12, 1759592), (16, 1319694), (23, 918048), (24, 879796), (32, 659847), (46, 459024), (48, 439898), (69, 306016), (73, 289248), (92, 229512), (96, 219949), (131, 161184), (138, 153008), (146, 144624), (184, 114756), (219, 96416), (262, 80592), (276, 76504), (292, 72312), (368, 57378), (393, 53728), (438, 48208), (524, 40296), (552, 38252), (584, 36156), (736, 28689), (786, 26864), (876, 24104), (1048, 20148), (1104, 19126), (1168, 18078), (1572, 13432), (1679, 12576), (1752, 12052), (2096, 10074), (2208, 9563), (2336, 9039), (3013, 7008), (3144, 6716), (3358, 6288), (3504, 6026), (4192, 5037)]