21574128

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 58139136

約数和(自身を除く): 36565008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 73, 94, 131, 141, 146, 188, 219, 262, 282, 292, 376, 393, 438, 524, 564, 584, 752, 786, 876, 1048, 1128, 1168, 1572, 1752, 2096, 2256, 3144, 3431, 3504, 6157, 6288, 6862, 9563, 10293, 12314, 13724, 18471, 19126, 20586, 24628, 27448, 28689, 36942, 38252, 41172, 49256, 54896, 57378, 73884, 76504, 82344, 98512, 114756, 147768, 153008, 164688, 229512, 295536, 449461, 459024, 898922, 1348383, 1797844, 2696766, 3595688, 5393532, 7191376, 10787064, 21574128]

約数ペア:

[(1, 21574128), (2, 10787064), (3, 7191376), (4, 5393532), (6, 3595688), (8, 2696766), (12, 1797844), (16, 1348383), (24, 898922), (47, 459024), (48, 449461), (73, 295536), (94, 229512), (131, 164688), (141, 153008), (146, 147768), (188, 114756), (219, 98512), (262, 82344), (282, 76504), (292, 73884), (376, 57378), (393, 54896), (438, 49256), (524, 41172), (564, 38252), (584, 36942), (752, 28689), (786, 27448), (876, 24628), (1048, 20586), (1128, 19126), (1168, 18471), (1572, 13724), (1752, 12314), (2096, 10293), (2256, 9563), (3144, 6862), (3431, 6288), (3504, 6157)]